diff --git a/itn/english/__init__.py b/itn/english/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/itn/english/data/currency.tsv b/itn/english/data/currency.tsv
new file mode 100644
index 00000000..2f1fcc09
--- /dev/null
+++ b/itn/english/data/currency.tsv
@@ -0,0 +1,168 @@
+؋	afghan afghani
+l	albanian lek
+دج	algerian dinar
+kz	angolan kwanza
+aed	arab emirates dirham
+$	argentine peso
+֏	armenian dram
+ƒ	aruban florin
+a$	australian dollar
+₼	azerbaijani manat
+b$	bahamian dollar
+.د.ب	bahraini dinar
+৳	bangladeshi taka
+$	barbadian dollar
+br	belarusian ruble
+bz$	belize dollar
+$	bermudian dollar
+nu	bhutanese ngultrum
+₿	bitcoin
+bs	bolivian boliviano
+km	bosnia and herzegovina convertible mark
+p	botswana pula
+r$	brazilian real
+£	british pound
+b$	brunei dollar
+лв	bulgarian lev
+fbu	burundian franc
+៛	cambodian riel
+ca$	canadian dollar
+cve	cape verde escudo
+cve	cape verdean escudo
+ci$	cayman islands dollar
+cfa	cfa franc
+$	chilean peso
+元	chinese yuan
+$	colombian peso
+cf	comorian franc
+fc	congolese franc
+₡	costa rican colón
+kn	croatian kuna
+cuc$	cuban peso
+cyp	cypriot pound
+kč	czech koruna
+d	dalasi
+kr	danish krone
+fdj	djiboutian franc
+$	dollar
+rd$	dominican peso
+$	east caribbean dollar
+e£	egyptian pound
+aed	emirati dirham
+nkf	eritrean nakfa
+Ξ	ethereum
+br	ethiopian birr
+€	euro
+fk£	falkland islands pound
+fim	finnish markka
+₾	georgian lari
+dm	german mark
+gh₵	ghanaian cedi
+q	guatemalan quetzal
+fg	guinean franc
+g$	guyanese dollar
+g	haitian gourde
+l	honduran lempira
+hk$	hong kong dollar
+ft	hungarian forint
+₹	inr
+íkr	icelandic króna
+₹	indian rupee
+rp	indonesian rupiah
+﷼	iranian rial
+ع.د	iraqi dinar
+₪	israeli new shekel
+₪	israeli shekel
+j$	jamaican dollar
+¥	japanese yen
+ينار	jordanian dinar
+₸	kazakhstani tenge
+ksh	kenyan shilling
+ك	kuwaiti dinar
+k	kyat
+som	kyrgyzstani som
+₭	lao kip
+ლარი	lari
+ل.ل	lebanese pound
+l	lesotho loti
+ld$	liberian dollar
+ld	libyan dinar
+l	lilangeni
+ł	litecoin
+mop$	macanese pataca
+ar	malagasy ariary
+k	malawian kwacha
+rm	malaysian ringgit
+rf	maldivian rufiyaa
+mro	mauritanian ouguiya
+₨	mauritian rupee
+$	mexican peso
+l	moldovan leu
+ɱ	monero
+₮	mongolian tögrög
+dh	moroccan dirham
+mt	mozambican metical
+n$	namibian dollar
+rs	nepalese rupee
+ƒ	netherlands antillean guilder
+nt$	new taiwan dollar
+nz$	new zealand dollar
+c$	nicaraguan córdoba
+₦	nigerian naira
+₩	north korean won
+kr	norwegian krone
+ر.ع	omani rial
+um	ouguiya
+pkr	pakistani rupee
+b/.	panamanian balboa
+₲	paraguayan guaraní
+s/.	peruvian sol
+₱	philippine peso
+zł	polish zloty
+£	pounds sterling
+ر.ق	qatari riyal
+£	quid
+r	real
+xrp	ripples
+lei	romanian leu
+₹	rupee
+₽	russian ruble
+r₣	rwandan franc
+shp	saint helena pounds
+db	são tomé and príncipe dobra
+sar	saudi riyal
+ден	second macedonian denar
+rsd	serbian dinar
+scr	seychelles rupee
+le	sierra leonean leone
+s$	singapore dollar
+sh.so.	somali shilling
+tjs	somoni
+r	south african rand
+₩	south korean won
+ss£	south sudanese pound
+රු	sri lankan rupee
+sdg	sudanese pound
+sr$	surinamese dollar
+kr	swedish krona
+chf	swiss franc
+£s	syrian pound
+৳	taka
+tzs	tanzanian shilling
+₮	tether
+฿	thai baht
+tt$	trinidad and tobago dollar
+د.ت	tunisian dinar
+₺	turkish lira
+m	turkmen new manat
+ush	ugandan shilling
+₴	ukrainian hryvna
+$	united states dollar
+$u	uruguayan peso
+$	us dollar
+som	uzbekistan som
+bs.	venezuelan bolívar
+₫	vietnamese đồng
+₩	won
+﷼	yemeni rial
+¥	yen
diff --git a/itn/english/data/date_period.tsv b/itn/english/data/date_period.tsv
new file mode 100644
index 00000000..b53ef7db
--- /dev/null
+++ b/itn/english/data/date_period.tsv
@@ -0,0 +1,10 @@
+Q1	first quarter
+Q1	q one
+Q2	second quarter
+Q2	q two
+Q3	third quarter
+Q3	q three
+Q4	fourth quarter
+Q4	q four
+H1	first half
+H2	second half
\ No newline at end of file
diff --git a/itn/english/data/electronic/domain.tsv b/itn/english/data/electronic/domain.tsv
new file mode 100644
index 00000000..207a14ae
--- /dev/null
+++ b/itn/english/data/electronic/domain.tsv
@@ -0,0 +1,10 @@
+com
+uk
+fr
+net
+br
+in
+ru
+de
+it
+ai
diff --git a/itn/english/data/electronic/server_name.tsv b/itn/english/data/electronic/server_name.tsv
new file mode 100644
index 00000000..ca7f97bc
--- /dev/null
+++ b/itn/english/data/electronic/server_name.tsv
@@ -0,0 +1,17 @@
+g mail	gmail
+gmail
+n vidia	nvidia
+nvidia
+outlook
+hotmail
+yahoo
+aol
+gmx
+msn
+live
+yandex
+orange
+wanadoo
+web
+comcast
+google
diff --git a/itn/english/data/electronic/symbols.tsv b/itn/english/data/electronic/symbols.tsv
new file mode 100644
index 00000000..5be8da87
--- /dev/null
+++ b/itn/english/data/electronic/symbols.tsv
@@ -0,0 +1,22 @@
+.	dot
+-	dash
+-	hyphen
+_	underscore
+!	exclamation mark
+#	number sign
+$	dollar sign
+%	percent sign
+&	ampersand
+'	quote
+*	asterisk
++	plus
+/	slash
+=	equal sign
+?	question mark
+^	circumflex
+`	right single quote
+{	left brace
+|	vertical bar
+}	right brace
+~	tilde
+,	comma
\ No newline at end of file
diff --git a/itn/english/data/electronic/url_symbols.tsv b/itn/english/data/electronic/url_symbols.tsv
new file mode 100644
index 00000000..2946fde3
--- /dev/null
+++ b/itn/english/data/electronic/url_symbols.tsv
@@ -0,0 +1,5 @@
+.	dot
+-	dash
+-	hyphen
+_	underscore
+/	slash
\ No newline at end of file
diff --git a/itn/english/data/magnitudes.tsv b/itn/english/data/magnitudes.tsv
new file mode 100644
index 00000000..3bfa4849
--- /dev/null
+++ b/itn/english/data/magnitudes.tsv
@@ -0,0 +1,4 @@
+k	thousand
+m	million
+b	billion
+t	trillion
\ No newline at end of file
diff --git a/itn/english/data/measurements.tsv b/itn/english/data/measurements.tsv
new file mode 100644
index 00000000..894eacd4
--- /dev/null
+++ b/itn/english/data/measurements.tsv
@@ -0,0 +1,145 @@
+°F	fahrenheit
+°C	celsius
+°F	degree fahrenheit
+°C	degree celsius
+K	kelvin
+km	kilometer
+m	meter
+cm	centimeter
+mm	millimeter
+ha	hectare
+mi	mile
+m²	square meter
+km²	square kilometer
+ft	foot
+%	percent
+hz	hertz
+kW	kilowatt
+kW	kilo watt
+kWh	kilo watt hour
+kWh	kilowatt hour
+Wh	watt hour
+W	watt
+hp	horsepower
+hp	horse power
+mg	milligram
+kg	kilogram
+ghz	gigahertz
+khz	kilohertz
+mhz	megahertz
+v	volt
+h	hour
+mc	mega coulomb
+s	second
+nm	nanometer
+rpm	revolution per minute
+min	minute
+mA	milli ampere
+%	per cent
+m³	cubic meter
+mph	mile per hour
+tW	tera watt
+mv	milli volt
+mW	megawatt
+mW	mega watt
+μm	micrometer
+"	inch
+cc	c c
+g	gram
+da	dalton
+atm	atmosphere
+ω	ohm
+db	decibel
+ps	peta second
+oz	ounce
+hl	hecto liter
+μg	microgram
+pg	petagram
+kb	kilobit
+mb	megabit
+gb	gigabit
+tb	terabit
+pb	petabit
+ev	electron volt
+mb	megabyte
+kb	kilobyte
+gb	gigabyte
+tb	terabyte
+pb	peta byte
+bps	bit per second
+kbps	kilobit per second
+mbps	megabit per second
+gbps	gigabit per second
+kbps	kilo bit per second
+mbps	mega bit per second
+mbps	mega bit per second
+tbps	terabit per second
+tbps	tera bit per second
+pbps	petabit per second
+pbps	peta bit per second
+kb/s	kilobyte per second
+kb/s	kilo byte per second
+mb/s	megabyte  per second
+mb/s	mega byte  per second
+gb/s	gigabyte per second
+gb/s	giga byte per second
+tb/s	terabyte per second
+tb/s	tera byte per second
+pb/s	petabyte per second
+pb/s	peta byte per second
+st	stone
+kl	kilo liter
+tj	tera joule
+kv	kilo volt
+mv	mega volt
+kn	kilo newton
+kn	kilonewton
+mm	megameter
+au	astronomical unit
+yd	yard
+rad	radian
+lm	lumen
+hs	hecto second
+mol	mole
+gpa	giga pascal
+ml	milliliter
+gW	gigawatt
+gW	gigaWatt
+A	ampere
+mA	mili ampere
+µA	micro ampere
+MA	mega ampere
+kt	knot
+kgf	kilogram force
+ng	nano gram
+ns	nanosecond
+ms	mega siemens
+bar	bar
+gl	giga liter
+μs	microsecond
+dA	deci ampere
+pa	pascal
+ds	deci second
+ms	milli second
+dm	deci meter
+dm³	cubic deci meter
+amu	atomic mass unit
+mf	mega farad
+bq	becquerel
+pb	petabit
+mm²	square millimeter
+cm²	square centimeter
+sq mi	square mile
+sq ft	square foot
+kpa	kilopascal
+cd	candela
+tl	tera liter
+ms	mega second
+mpa	megapascal
+pm	peta meter
+gWh	giga watt hour
+kcal	kilo calory
+gy	gray
+sv	sievert
+cwt	hundredweight
+cc	c c
diff --git a/itn/english/data/months.tsv b/itn/english/data/months.tsv
new file mode 100644
index 00000000..1c05ac02
--- /dev/null
+++ b/itn/english/data/months.tsv
@@ -0,0 +1,12 @@
+january
+february
+march
+april
+may
+june
+july
+august
+september
+october
+november
+december
diff --git a/itn/english/data/months_cased.tsv b/itn/english/data/months_cased.tsv
new file mode 100644
index 00000000..750d7937
--- /dev/null
+++ b/itn/english/data/months_cased.tsv
@@ -0,0 +1,12 @@
+January
+February
+March
+April
+May
+June
+July
+August
+September
+October
+November
+December
diff --git a/itn/english/data/numbers/digit.tsv b/itn/english/data/numbers/digit.tsv
new file mode 100644
index 00000000..11416c03
--- /dev/null
+++ b/itn/english/data/numbers/digit.tsv
@@ -0,0 +1,9 @@
+one	1
+two	2
+three	3
+four	4
+five	5
+six	6
+seven	7
+eight	8
+nine	9
diff --git a/itn/english/data/numbers/hundred.tsv b/itn/english/data/numbers/hundred.tsv
new file mode 100644
index 00000000..719ba84f
--- /dev/null
+++ b/itn/english/data/numbers/hundred.tsv
@@ -0,0 +1 @@
+hundred
diff --git a/itn/english/data/numbers/teen.tsv b/itn/english/data/numbers/teen.tsv
new file mode 100644
index 00000000..445245c6
--- /dev/null
+++ b/itn/english/data/numbers/teen.tsv
@@ -0,0 +1,10 @@
+ten	10
+eleven	11
+twelve	12
+thirteen	13
+fourteen	14
+fifteen	15
+sixteen	16
+seventeen	17
+eighteen	18
+nineteen	19
diff --git a/itn/english/data/numbers/thousands.tsv b/itn/english/data/numbers/thousands.tsv
new file mode 100644
index 00000000..35c2d413
--- /dev/null
+++ b/itn/english/data/numbers/thousands.tsv
@@ -0,0 +1,22 @@
+thousand
+million
+billion
+trillion
+quadrillion
+quintillion
+sextillion
+septillion
+octillion
+nonillion
+decillion
+undecillion
+duodecillion
+tredecillion
+quattuordecillion
+quindecillion
+sexdecillion
+septendecillion
+octodecillion
+novemdecillion
+vigintillion
+centillion
diff --git a/itn/english/data/numbers/ties.tsv b/itn/english/data/numbers/ties.tsv
new file mode 100644
index 00000000..21057ae2
--- /dev/null
+++ b/itn/english/data/numbers/ties.tsv
@@ -0,0 +1,9 @@
+twenty	2
+thirty	3
+forty	4
+fourty	4
+fifty	5
+sixty	6
+seventy	7
+eighty	8
+ninety	9
diff --git a/itn/english/data/numbers/zero.tsv b/itn/english/data/numbers/zero.tsv
new file mode 100644
index 00000000..a1b116c1
--- /dev/null
+++ b/itn/english/data/numbers/zero.tsv
@@ -0,0 +1 @@
+zero	0
diff --git a/itn/english/data/ordinals/digit.tsv b/itn/english/data/ordinals/digit.tsv
new file mode 100644
index 00000000..4b7fc24f
--- /dev/null
+++ b/itn/english/data/ordinals/digit.tsv
@@ -0,0 +1,9 @@
+first	one
+second	two
+third	three
+fourth	four
+fifth	five
+sixth	sixth
+seventh	seven
+eighth	eight
+ninth	nine
\ No newline at end of file
diff --git a/itn/english/data/ordinals/teen.tsv b/itn/english/data/ordinals/teen.tsv
new file mode 100644
index 00000000..496fefc0
--- /dev/null
+++ b/itn/english/data/ordinals/teen.tsv
@@ -0,0 +1 @@
+twelfth	twelve
\ No newline at end of file
diff --git a/itn/english/data/time/minute_to.tsv b/itn/english/data/time/minute_to.tsv
new file mode 100644
index 00000000..edab4d5b
--- /dev/null
+++ b/itn/english/data/time/minute_to.tsv
@@ -0,0 +1,59 @@
+1	59
+2	58
+3	57
+4	56
+5	55
+6	54
+7	53
+8	52
+9	51
+10	50
+11	49
+12	48
+13	47
+14	46
+15	45
+16	44
+17	43
+18	42
+19	41
+20	40
+21	39
+22	38
+23	37
+24	36
+25	35
+26	34
+27	33
+28	32
+29	31
+30	30
+31	29
+32	28
+33	27
+34	26
+35	25
+36	24
+37	23
+38	22
+39	21
+40	20
+41	19
+42	18
+43	17
+44	16
+45	15
+46	14
+47	13
+48	12
+49	11
+50	10
+51	9
+52	8
+53	7
+54	6
+55	5
+56	4
+57	3
+58	2
+59	1
diff --git a/itn/english/data/time/time_suffix.tsv b/itn/english/data/time/time_suffix.tsv
new file mode 100644
index 00000000..b39a9ef9
--- /dev/null
+++ b/itn/english/data/time/time_suffix.tsv
@@ -0,0 +1,8 @@
+p m	p.m.
+pm	p.m.
+p.m.
+p.m	p.m.
+am	a.m.
+a.m.
+a.m	a.m.
+a m	a.m.
\ No newline at end of file
diff --git a/itn/english/data/time/time_suffix_cased.tsv b/itn/english/data/time/time_suffix_cased.tsv
new file mode 100644
index 00000000..97a4cf5c
--- /dev/null
+++ b/itn/english/data/time/time_suffix_cased.tsv
@@ -0,0 +1,8 @@
+P M	P.M.
+PM	P.M.
+P.M.
+P.M	P.M.
+AM	A.M.
+A.M.
+A.M	A.M.
+A M	A.M.
\ No newline at end of file
diff --git a/itn/english/data/time/time_zone.tsv b/itn/english/data/time/time_zone.tsv
new file mode 100644
index 00000000..3e0ade46
--- /dev/null
+++ b/itn/english/data/time/time_zone.tsv
@@ -0,0 +1,7 @@
+cst	c s t
+cet	c e t
+pst	p s t
+est	e s t
+pt	p t
+et	e t
+gmt	g m t
diff --git a/itn/english/data/time/time_zone_cased.tsv b/itn/english/data/time/time_zone_cased.tsv
new file mode 100644
index 00000000..65c70da2
--- /dev/null
+++ b/itn/english/data/time/time_zone_cased.tsv
@@ -0,0 +1,7 @@
+CST	C S T
+CET	C E T
+PST	P S T
+EST	E S T
+PT	P T
+ET	E T
+GMT	G M T
diff --git a/itn/english/data/time/to_hour.tsv b/itn/english/data/time/to_hour.tsv
new file mode 100644
index 00000000..fba67f1b
--- /dev/null
+++ b/itn/english/data/time/to_hour.tsv
@@ -0,0 +1,12 @@
+one	12
+two	1
+three	2
+four	3
+five	4
+six	5
+seven	6
+eight	7
+nine	8
+ten	9
+eleven	10
+twelve	11
\ No newline at end of file
diff --git a/itn/english/data/whitelist.tsv b/itn/english/data/whitelist.tsv
new file mode 100644
index 00000000..c7201aef
--- /dev/null
+++ b/itn/english/data/whitelist.tsv
@@ -0,0 +1,417 @@
+10K	ten k
+1D	one d
+1G	one g
+1K	one k
+2.5G	two point five g
+2D	two d
+2G	two g
+2K	two k
+3D	three d
+3G	three g
+4D	four d
+4G	four g
+4K	four k
+5D	five d
+5G	five g
+6G	six g
+7-eleven	seven eleven
+7G	seven g
+8K	eight k
+AAA	triple a
+AC	a c
+ACL	a c l
+ADAS	a das
+AEB	a e b
+AES	a e s
+AGX	a g x
+AI	a i
+AI	ai
+AI	ais
+ALU	a l u
+AMD	a m d
+API	a p i
+API	api
+ARP	a r p
+ASAP	a s a p
+ASAP	a sap
+ASMC	a s m c
+ASR	a s r
+ASUS	a sus
+ASUS	asus
+AT&T	a t and t
+ATM	a t m
+AV1	a v one
+AV1	av one
+AVAS	a v a s
+AVAS	a vas
+AVRCP	a v r c p
+AWS	a w s
+AWS	aws
+AlphaFold	alpha fold
+AstraZeneca	astra zeneca
+AstraZeneca	astrazeneca
+Audio2Face	audio to face
+Audio2Face	audio too face
+BBC	b b c
+BCP	b c p
+BEV	b e v
+BGA	b g a
+BGP	b g p
+BIOS	Bios
+BIOS	bios
+BIS	b i s
+BSP	b s p
+BasePOD	base pod
+BasePOD	basepod
+Billion-X	billion X
+C#	c sharp
+C++	c plus plus
+CAT5	cat five
+CAT5e	cat five e
+CAT6	cat six
+CAT6A	cat six a
+CAT7	cat seven
+CAT8	cat eight
+CBC	c b c
+CCS	c c s
+CCTV	c c t v
+CCTV	c c tv
+CDN	c d n
+CEO	c e o
+CES	c e s
+CFO	c f o
+CHAdeMO	cha demo
+CHAdeMO	chai demo
+CLI	c l i
+CMO	c m o
+CMS	c m s
+CNN	c n n
+COVID	covid
+COVID-19	covid nineteen
+CPU	c p u
+CSO	c s o
+CSP	c s p
+CSS	c s s
+CV	c v
+CVT	c v t
+CalTech	cal tech
+CalTech	caltech
+CapEx	cap ex
+CapEx	capex
+ChatGPT	chat g p t
+CloudXR	cloud x r
+ConnectX	connect x
+Core 2	core two
+DALI	d a l i
+DB	d b
+DC	d c
+DCDB	d c d b
+DDR	d d r
+DDoS	d d o s
+DDoS	d dos
+DGL	d g l
+DGX	d g x	-1.1
+DGX A100	d g x a hundred	-1.1
+DGX A100	d g x a one hundred	-1.1
+DGX Station	d g x station	-1.1
+DHCP	d h c p
+DLSS	d l s s
+DLSS 2	d l s s two
+DLSS 3	d l s s three
+DNA	d n a
+DNN	d n n
+DNS	d n s
+DOS	dos
+DP	d p
+DPDT	d p d t
+DPU	d p u
+DPX	d p x
+DeepMind	deep mind
+DeepMind	deepmind
+DeepStream	deep stream
+DeepStream	deepstream
+DevOps	dev ops
+Direct3D	direct three d
+DisplayPort	display port
+EBC	e b c
+EBS	e b s
+EC2	e c two
+ECC	e c c
+ECS	e c s
+EFS	e f s
+EGX	e g x
+EKS	e k s
+ELB	e l b
+ELCB	e l c b
+EMR	e m r
+EOL	e o l
+EV	e v
+Earth-2	earth two
+FIFO	fee foe
+FIFO	fifo
+FOMO	foe moe
+FOMO	fomo
+FPS	f p s
+FSA	f s a
+FST	f s t
+FTP	f t p
+FTPS	f t p s
+FX	f x
+G-SYNC	g sync
+GCC	g c c
+GCP	g c p
+GCS	g c s
+GFN	G f n
+GPU	g p u
+GRPC	g r p c
+GRU	g r u
+GSK	g s k
+GTC	g t c
+GTX	g t x	-1.1
+GUI	g u i
+GUI	gui
+GeForce	geforce
+GeForce NOW	geforce now
+H.264	H two six four
+H.264	H two sixty four
+H.265	H two six five
+H.265	H two sixty five
+H100	H one hundred
+HDMI	h d m i
+HEVC	h e v c
+HGX	h g x
+HMD	Hmd
+HPC	h p c
+HQ	h q
+HSM	h s m
+HT	h t
+HTML	h t m l
+HTTP	h t t p
+HTTPS	h t t p s
+HuggingFace	hugging face
+I/O	i o
+ICMP	i c m p
+IEC	i e c
+IEEE	i triple e
+IGMP	i g m p
+IGX	i g x
+IISc	i i s c
+IIT	i i t
+INT8	int eight
+IP	i p
+IPSec	i p sec
+ISC	i s c
+ISI	i s i
+InfiniBand	inifiband
+IoT	i o t
+Isaac SIM	isaac sim
+JSON	j son
+JavaScript	java script
+JavaScript	javascript
+KVM	k v m
+LFP	lee fei po
+LFP	life po
+LGA	l g a	-1.1
+LLC	l l c
+LLM	l l m
+LLMs	l l ms
+LLP	l l p
+LSTM	l s t m
+LT	l t
+LTT	l t t
+LinkedIn	linked in
+LinkedIn	linkedin
+MB	m b
+MCB	m c b
+MCCB	m c c b
+MCP	m c p
+MDM	m d m
+MFA	m f a
+MIT	m i t
+ML	m l
+MLPerf	m l perf
+MONAI	monai
+MWC	m w c
+MXNet	m x net
+MacBook	mac book
+MacBook	macbook
+MacBook Pro	mac book pro
+Max-Q	max q
+Million-X	million x
+MoCap	mo cap
+NC	n c
+NGC	n g c
+NLP	n l p
+NLU	n l u
+NMC	n m c
+NO	n o
+NTP	n t p
+NVDec	n v dec
+NVDec	n v deck
+NVEnc	n v enc
+NVEnc	n v inc
+NVEnc	n v ink
+NVMe	n v m e
+Ni-CD	knee cad
+NiMH	n i m h
+NoSQL	no s q l
+NoSQL	no sql
+Nvidia A100	nvidia a hundred
+Nvidia A100	nvidia a one hundred
+Nvidia A30	nvidia a thirty
+Nvidia A40	nvidia a forty
+OCI	o c i
+OEM	o e m
+OEMs	o e ms
+OLTC	o l t c
+OLTP	o l t p
+ONNX	o n n x
+OVX	o v x
+OpEx	op ex
+OpEx	opex
+OpenCL	open c l
+OpenGL	open g l
+PCI	p c i
+PCIe	p c i e	-1.1
+PDF	p d f
+PHEV	p h e v
+POP3	pop three
+PSO	p s o
+Photoshop	photo shop
+PhysX	fizz ex
+PhysX	fizz x
+PhysX	phys ex
+PhysX	phys x
+PlayStation	play station
+Premiere Pro	premiere pro
+ProVis	pro vis
+ProVis	provis
+PyG	pi g
+PyG	py g
+PyTorch	pi torch
+QODA	q o d a
+QOS	q o s
+RCBO	r c b o
+RCCB	r c c b
+RDS	r d s
+RFP	r f p
+RISC	risc
+RL	r l
+RNN	r n n
+ROI	r o i
+RSS	r s s
+RT	r t
+RTP	r t p
+RTX	r t x	-1.1
+RTX ON	r t x on
+RTX Off	r t x off
+RacerX	racer x
+Ryzen 2	rye zen two
+Ryzen 3	rye zen three
+Ryzen 5	rye zen five
+Ryzen 7	rye zen seven
+Ryzen 9	rye zen nine
+S&P	s and p
+S3	s three
+SAE	s a e
+SDK	s d k
+SEO	s e o
+SFU	s f u
+SHIELD TV	shield tv
+SIGGRAPH	sig graph
+SIGGRAPH	siggraph
+SMPS	s m p s
+SMTP	s m t p
+SNMP	s n m p
+SNS	s n s
+SOL	s o l
+SPDT	s p d t
+SPN	s p n
+SPST	s p s t
+SQL	s q l
+SQS	s q s
+SSD	s s d
+SSH	s s h
+SSL	s s l
+SSO	s s o
+SSR	s s r
+SUV	s u v
+SWG	s w g
+SaaS	saas
+ServiceNow	service now
+SuperCloud	super cloud
+SuperPOD	super pod
+TCP	t c p
+TCP/IP	t c p i p
+TFTP	t f t p
+TJ	t j
+TOS 	t o s
+TPM	t p m
+TPMS	t p m s
+TPN	t p n
+TSL	t s l
+TSMC	t s m c
+TTS 	t t s
+Telnet	tell net
+TensorRT	tensor r t
+Tick-Tock	tick tock
+TikTok app	tick tock app
+TikTok is	tick tock is
+UDP	u d p
+UEFI	u e f i
+UFI	u f i
+UPS	u p s
+USB	u s b
+VAAPI	v a a p i
+VAAPI	v a api
+VDI	v d i
+VDPAU	v d p a u
+VDPAU	v d paw
+VDPAU	v d pow
+VFD	v f d
+VLAN	v lan
+VP	v p
+VPN	v p n
+Vcc	v c c
+Vdd	v d d
+VoIP	v o i p
+WFSA	w f s a
+WFST	w f s t
+Wi-Fi	wi fi
+Wi-Fi	wifi
+XFX	x f x
+XFX	x fx
+XML	x m l
+Zen 2	zen two
+Zen 3	zen three
+Zen 4	zen four
+c#	c sharp
+c++	c plus plus
+cuBLAS	cue blah
+cuBLAS	cue blahs
+cuBLAS	q blahs
+cuDNN	c u d n n
+cuDNN	cue d n n
+cuDNN	q d n n
+cuOpt	cue opt
+cuOpt	q opt
+cuQuantum	cue quantum
+cuQuantum	q quantum
+dr.	doctor
+e.g.	for example
+es3	e s three
+ext4	e x t four
+i3	i three
+i5	i five
+i7	i seven
+i9	i nine
+iOS	ios
+iTPMS	i t p m s
+mr.	mister
+mrs.	misses
+on TikTok	on tick tock
+sFTP	s f t p
+st.	saint
+x1	x one
+x2	x two
+x8	x eight
\ No newline at end of file
diff --git a/itn/english/data/whitelist_tech.tsv b/itn/english/data/whitelist_tech.tsv
new file mode 100644
index 00000000..a2a14a41
--- /dev/null
+++ b/itn/english/data/whitelist_tech.tsv
@@ -0,0 +1,450 @@
+10K	ten k
+1D	one d
+1G	one g
+1K	one k
+2.5G	two point five g
+2D	two d
+2G	two g
+2K	two k
+3D	three d
+3G	three g
+4D	four d
+4G	four g
+4K	four k
+5D	five d
+5G	five g
+6G	six g
+7-eleven	seven eleven
+7G	seven g
+8K	eight k
+AAA	triple a
+AC	a c
+ACL	a c l
+ADAS	a das
+AEB	a e b
+AES	a e s
+AGX	a g x
+AI	a i
+AI	ai
+AI	ais
+ALU	a l u
+AMD	a m d
+API	a p i
+API	api
+ARP	a r p
+ASAP	a s a p
+ASAP	a sap
+ASMC	a s m c
+ASR	a s r
+ASUS	a sus
+ASUS	asus
+AT&T	a t and t
+ATM	a t m
+AV1	a v one
+AV1	av one
+AVAS	a v a s
+AVAS	a vas
+AVRCP	a v r c p
+AWS	a w s
+AWS	aws
+AlphaFold	alpha fold
+AstraZeneca	astra zeneca
+AstraZeneca	astrazeneca
+Audio2Face	audio to face
+Audio2Face	audio too face
+BBC	b b c
+BCP	b c p
+BEV	b e v
+BGA	b g a
+BGP	b g p
+BIOS	Bios
+BIOS	bios
+BIS	b i s
+BSP	b s p
+BasePOD	base pod
+BasePOD	basepod
+Billion-X	billion X
+C#	c sharp
+C++	c plus plus
+CAT5	cat five
+CAT5e	cat five e
+CAT6	cat six
+CAT6A	cat six a
+CAT7	cat seven
+CAT8	cat eight
+CBC	c b c
+CCS	c c s
+CCTV	c c t v
+CCTV	c c tv
+CDN	c d n
+CEO	c e o
+CES	c e s
+CFO	c f o
+CHAdeMO	cha demo
+CHAdeMO	chai demo
+CLI	c l i
+CMO	c m o
+CMS	c m s
+CNN	c n n
+COVID	covid
+COVID-19	covid nineteen
+CPU	c p u
+CSO	c s o
+CSP	c s p
+CSS	c s s
+CV	c v
+CVT	c v t
+CalTech	cal tech
+CalTech	caltech
+CapEx	cap ex
+CapEx	capex
+ChatGPT	chat g p t
+CloudXR	cloud x r
+ConnectX	connect x
+Core 2	core two
+DALI	d a l i
+DB	d b
+DC	d c
+DCDB	d c d b
+DDR	d d r
+DDoS	d d o s
+DDoS	d dos
+DGL	d g l
+DGX	d g x	-1.1
+DGX A100	d g x a hundred	-1.1
+DGX A100	d g x a one hundred	-1.1
+DGX Station	d g x station	-1.1
+DHCP	d h c p
+DLSS	d l s s
+DLSS 2	d l s s two
+DLSS 3	d l s s three
+DNA	d n a
+DNN	d n n
+DNS	d n s
+DOS	dos
+DP	d p
+DPDT	d p d t
+DPU	d p u
+DPX	d p x
+DeepMind	deep mind
+DeepMind	deepmind
+DeepStream	deep stream
+DeepStream	deepstream
+DevOps	dev ops
+Direct3D	direct three d
+DisplayPort	display port
+EBC	e b c
+EBS	e b s
+EC2	e c two
+ECC	e c c
+ECS	e c s
+EFS	e f s
+EGX	e g x
+EKS	e k s
+ELB	e l b
+ELCB	e l c b
+EMR	e m r
+EOL	e o l
+EV	e v
+Earth-2	earth two
+FAT12	fat twelve
+FAT16	fat sixteen
+FAT32	fat thirty two
+FIFO	fee foe
+FIFO	fifo
+FOMO	foe moe
+FOMO	fomo
+FPS	f p s
+FSA	f s a
+FST	f s t
+FTP	f t p
+FTPS	f t p s
+FX	f x
+G-SYNC	g sync
+GCC	g c c
+GCP	g c p
+GCS	g c s
+GFN	G f n
+GPL	G P L
+GPLv2	G P L two
+GPLv3	G P L three
+GPU	g p u
+GRPC	g r p c
+GRU	g r u
+GSK	g s k
+GTC	g t c
+GTX	g t x	-1.1
+GUI	g u i
+GUI	gui
+GeForce	geforce
+GeForce NOW	geforce now
+H.264	H two six four
+H.264	H two sixty four
+H.265	H two six five
+H.265	H two sixty five
+H100	H one hundred
+HDMI	h d m i
+HEVC	h e v c
+HFS	h f s
+HFS+	h f s plus
+HGX	h g x
+HMD	Hmd
+HPC	h p c
+HQ	h q
+HSM	h s m
+HT	h t
+HTML	h t m l
+HTTP	h t t p
+HTTPS	h t t p s
+HuggingFace	hugging face
+I/O	i o
+ICMP	i c m p
+IEC	i e c
+IEEE	i triple e
+IGMP	i g m p
+IGX	i g x
+IISc	i i s c
+IIT	i i t
+INT8	int eight
+IP	i p
+IPSec	i p sec
+ISC	i s c
+ISI	i s i
+InfiniBand	inifiband
+IoT	i o t
+Isaac SIM	isaac sim
+JSON	j son
+JavaScript	java script
+JavaScript	javascript
+KVM	k v m
+LFP	lee fei po
+LFP	life po
+LGA	l g a	-1.1
+LLC	l l c
+LLM	l l m
+LLMs	l l ms
+LLP	l l p
+LSTM	l s t m
+LT	l t
+LTT	l t t
+LinkedIn	linked in
+LinkedIn	linkedin
+MB	m b
+MCB	m c b
+MCCB	m c c b
+MCP	m c p
+MDM	m d m
+MFA	m f a
+MIT	m i t
+ML	m l
+MLPerf	m l perf
+MONAI	monai
+MWC	m w c
+MXNet	m x net
+MacBook	mac book
+MacBook	macbook
+MacBook Pro	mac book pro
+Max-Q	max q
+Million-X	million x
+MoCap	mo cap
+NC	n c
+NGC	n g c
+NLP	n l p
+NLU	n l u
+NMC	n m c
+NO	n o
+NTFS	n t f s
+NTP	n t p
+NVDec	n v dec
+NVDec	n v deck
+NVEnc	n v enc
+NVEnc	n v inc
+NVEnc	n v ink
+NVMe	n v m e
+Ni-CD	knee cad
+NiMH	n i m h
+NoSQL	no s q l
+NoSQL	no sql
+Nvidia A100	Nvidia a hundred
+Nvidia A100	Nvidia a one hundred
+Nvidia A100	nvidia a hundred
+Nvidia A100	nvidia a one hundred
+Nvidia A30	Nvidia a thirty
+Nvidia A30	nvidia a thirty
+Nvidia A40	Nvidia a forty
+Nvidia A40	nvidia a forty
+OCI	o c i
+OEM	o e m
+OEMs	o e ms
+OLTC	o l t c
+OLTP	o l t p
+ONNX	o n n x
+OVX	o v x
+OpEx	op ex
+OpEx	opex
+OpenCL	open c l
+OpenGL	open g l
+PCI	p c i
+PCIe	p c i e	-1.1
+PDF	p d f
+PHEV	p h e v
+POP3	pop three
+PSO	p s o
+Photoshop	photo shop
+PhysX	fizz ex
+PhysX	fizz x
+PhysX	phys ex
+PhysX	phys x
+PlayStation	play station
+Premiere Pro	premiere pro
+ProVis	pro vis
+ProVis	provis
+PyG	pi g
+PyG	py g
+PyTorch	pi torch
+QODA	q o d a
+QOS	q o s
+RCBO	r c b o
+RCCB	r c c b
+RDS	r d s
+RFP	r f p
+RISC	risc
+RL	r l
+RNN	r n n
+ROI	r o i
+RSS	r s s
+RT	r t
+RTP	r t p
+RTX	r t x	-1.1
+RTX ON	r t x on
+RTX Off	r t x off
+RacerX	racer x
+Ryzen 2	rye zen two
+Ryzen 3	rye zen three
+Ryzen 5	rye zen five
+Ryzen 7	rye zen seven
+Ryzen 9	rye zen nine
+S&P	s and p
+S3	s three
+SAE	s a e
+SDK	s d k
+SEO	s e o
+SFU	s f u
+SHIELD TV	shield tv
+SIGGRAPH	sig graph
+SIGGRAPH	siggraph
+SMPS	s m p s
+SMTP	s m t p
+SNMP	s n m p
+SNS	s n s
+SOL	s o l
+SPDT	s p d t
+SPN	s p n
+SPST	s p s t
+SQL	s q l
+SQS	s q s
+SSD	s s d
+SSH	s s h
+SSL	s s l
+SSO	s s o
+SSR	s s r
+SUV	s u v
+SWG	s w g
+SaaS	saas
+ServiceNow	service now
+SuperCloud	super cloud
+SuperPOD	super pod
+TCP	t c p
+TCP/IP	t c p i p
+TFTP	t f t p
+TJ	t j
+TOS 	t o s
+TPM	t p m
+TPMS	t p m s
+TPN	t p n
+TSL	t s l
+TSMC	t s m c
+TTS 	t t s
+Telnet	tell net
+TensorRT	tensor r t
+The A100	The a hundred
+The A100	The a one hundred
+The A100	the a hundred
+The A100	the a one hundred
+The A30	The a thirty
+The A30	the a thirty
+The A40	The a forty
+The A40	the a forty
+Tick-Tock	tick tock
+TikTok app	tick tock app
+TikTok is	tick tock is
+UDP	u d p
+UEFI	u e f i
+UFI	u f i
+UFS	u f s
+UPS	u p s
+USB	u s b
+VAAPI	v a a p i
+VAAPI	v a api
+VDI	v d i
+VDPAU	v d p a u
+VDPAU	v d paw
+VDPAU	v d pow
+VFD	v f d
+VLAN	v lan
+VMFS	v m f s
+VP	v p
+VPN	v p n
+Vcc	v c c
+Vdd	v d d
+VoIP	v o i p
+WFSA	w f s a
+WFST	w f s t
+Wi-Fi	wi fi
+Wi-Fi	wifi
+XFX	x f x
+XFX	x fx
+XML	x m l
+ZFS	z f s
+Zen 2	zen two
+Zen 3	zen three
+Zen 4	zen four
+b-tree	b t ree
+btrfs	b t r f s
+btrfs	b tree f s
+btrfs	butter f s
+c#	c sharp
+c++	c plus plus
+cuBLAS	cue blah
+cuBLAS	cue blahs
+cuBLAS	q blahs
+cuDNN	c u d n n
+cuDNN	cue d n n
+cuDNN	q d n n
+cuOpt	cue opt
+cuOpt	q opt
+cuQuantum	cue quantum
+cuQuantum	q quantum
+dr.	doctor
+e.g.	for example
+es3	e s three
+exFAT	ex fat
+ext3	e x t three
+ext4	e x t four
+i3	i three
+i5	i five
+i7	i seven
+i9	i nine
+iOS	ios
+iTPMS	i t p m s
+mr.	mister
+mrs.	misses
+on TikTok	on tick tock
+sFTP	s f t p
+st.	saint
+x1	x one
+x16	x sixteen
+x2	x two
+x4	x four
+x8	x eight
+xfs	x f s
diff --git a/itn/english/data/year_suffix.tsv b/itn/english/data/year_suffix.tsv
new file mode 100644
index 00000000..65a05a18
--- /dev/null
+++ b/itn/english/data/year_suffix.tsv
@@ -0,0 +1,6 @@
+AD	a d
+BC	b c
+BCE	b c e
+BCE	before common era
+CE	c e
+CE	common era
diff --git a/itn/english/rules/__init__.py b/itn/english/rules/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/itn/english/rules/cardinal.py b/itn/english/rules/cardinal.py
new file mode 100644
index 00000000..4f597199
--- /dev/null
+++ b/itn/english/rules/cardinal.py
@@ -0,0 +1,127 @@
+# Copyright (c) 2026 Zhendong Peng (pzd17@tsinghua.org.cn)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from pynini import closure, cross, string_file, union
+from pynini.lib.pynutil import delete, insert
+
+from tn.processor import Processor
+from tn.utils import get_abs_path
+
+
+class Cardinal(Processor):
+
+    def __init__(self):
+        super().__init__(name="cardinal", ordertype="itn")
+        self.build_tagger()
+        self.build_verbalizer()
+
+    def build_tagger(self):
+        zero = string_file(get_abs_path("../itn/english/data/numbers/zero.tsv"))
+        digit = string_file(get_abs_path("../itn/english/data/numbers/digit.tsv"))
+        teen = string_file(get_abs_path("../itn/english/data/numbers/teen.tsv"))
+        ties = string_file(get_abs_path("../itn/english/data/numbers/ties.tsv"))
+        ds = delete(" ")
+
+        # 1~9, 10~19, 20~99
+        one_digit = digit
+        two_digit = teen | (ties + (ds + digit | insert("0")))
+        up_to_99 = one_digit | two_digit
+
+        # one hundred, one hundred twenty three, one hundred one
+        hundreds = digit + ds + delete("hundred") + (ds + two_digit | ds + insert("0") + one_digit | insert("00"))
+        # eleven hundred => 1100, twenty one hundred => 2100
+        hundreds_as_thousand = (teen | ties + ds + digit) + ds + delete("hundred") + (
+            ds + two_digit | ds + insert("0") + one_digit | insert("00")
+        )
+
+        # 1~999
+        up_to_999 = up_to_99 | hundreds
+        # 1~999 with zero-padding to 3 digits
+        up_to_999_padded = hundreds | insert("0") + two_digit | insert("00") + one_digit
+
+        def _with_mag(name):
+            return up_to_999 + ds + delete(name)
+
+        def _with_mag_padded(name):
+            return up_to_999_padded + ds + delete(name)
+
+        graph = zero | up_to_999 | hundreds_as_thousand
+        graph |= _with_mag("thousand") + (ds + up_to_999_padded | insert("000"))
+        graph |= (
+            _with_mag("million")
+            + (ds + _with_mag_padded("thousand") | insert("000"))
+            + (ds + up_to_999_padded | insert("000"))
+        )
+        graph |= (
+            _with_mag("billion")
+            + (ds + _with_mag_padded("million") | insert("000"))
+            + (ds + _with_mag_padded("thousand") | insert("000"))
+            + (ds + up_to_999_padded | insert("000"))
+        )
+        graph |= (
+            _with_mag("trillion")
+            + (ds + _with_mag_padded("billion") | insert("000"))
+            + (ds + _with_mag_padded("million") | insert("000"))
+            + (ds + _with_mag_padded("thousand") | insert("000"))
+            + (ds + up_to_999_padded | insert("000"))
+        )
+        graph |= (
+            _with_mag("quadrillion")
+            + (ds + _with_mag_padded("trillion") | insert("000"))
+            + (ds + _with_mag_padded("billion") | insert("000"))
+            + (ds + _with_mag_padded("million") | insert("000"))
+            + (ds + _with_mag_padded("thousand") | insert("000"))
+            + (ds + up_to_999_padded | insert("000"))
+        )
+        graph |= (
+            _with_mag("quintillion")
+            + (ds + _with_mag_padded("quadrillion") | insert("000"))
+            + (ds + _with_mag_padded("trillion") | insert("000"))
+            + (ds + _with_mag_padded("billion") | insert("000"))
+            + (ds + _with_mag_padded("million") | insert("000"))
+            + (ds + _with_mag_padded("thousand") | insert("000"))
+            + (ds + up_to_999_padded | insert("000"))
+        )
+        graph |= (
+            _with_mag("sextillion")
+            + (ds + _with_mag_padded("quintillion") | insert("000"))
+            + (ds + _with_mag_padded("quadrillion") | insert("000"))
+            + (ds + _with_mag_padded("trillion") | insert("000"))
+            + (ds + _with_mag_padded("billion") | insert("000"))
+            + (ds + _with_mag_padded("million") | insert("000"))
+            + (ds + _with_mag_padded("thousand") | insert("000"))
+            + (ds + up_to_999_padded | insert("000"))
+        )
+
+        # strip leading zeros
+        graph = graph @ union(delete(closure("0")) + (self.DIGIT - "0") + closure(self.DIGIT), "0")
+        # delete optional "and"
+        delete_and = self.build_rule(delete("and "), " ", self.ALPHA)
+        graph = (delete_and @ graph).optimize()
+
+        self.graph = graph
+
+        minus = delete("minus") | delete("negative")
+        optional_minus = closure(insert('negative: "-" ') + minus + ds, 0, 1)
+        final_graph = optional_minus + insert('integer: "') + graph + insert('"')
+        self.tagger = self.add_tokens(final_graph)
+
+    def build_verbalizer(self):
+        optional_sign = closure(
+            delete('negative:') + self.DELETE_SPACE + delete('"') + self.NOT_QUOTE + delete('"') + self.DELETE_SPACE,
+            0, 1,
+        )
+        integer = delete("integer:") + self.DELETE_SPACE + delete('"') + self.NOT_QUOTE.plus + delete('"')
+        self.numbers = integer
+        self.verbalizer = self.delete_tokens(optional_sign + integer)
diff --git a/itn/english/rules/char.py b/itn/english/rules/char.py
new file mode 100644
index 00000000..05e6dd4f
--- /dev/null
+++ b/itn/english/rules/char.py
@@ -0,0 +1,29 @@
+# Copyright (c) 2026 Zhendong Peng (pzd17@tsinghua.org.cn)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from pynini.lib.pynutil import insert
+
+from tn.processor import Processor
+
+
+class Char(Processor):
+
+    def __init__(self):
+        super().__init__(name="char", ordertype="itn")
+        self.build_tagger()
+        self.build_verbalizer()
+
+    def build_tagger(self):
+        tagger = insert('value: "') + self.CHAR + insert('"')
+        self.tagger = self.add_tokens(tagger)
diff --git a/itn/english/rules/decimal.py b/itn/english/rules/decimal.py
new file mode 100644
index 00000000..5446f09c
--- /dev/null
+++ b/itn/english/rules/decimal.py
@@ -0,0 +1,61 @@
+# Copyright (c) 2026 Zhendong Peng (pzd17@tsinghua.org.cn)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from pynini import closure, cross, string_file
+from pynini.lib.pynutil import delete, insert
+
+from itn.english.rules.cardinal import Cardinal
+from tn.processor import Processor
+from tn.utils import get_abs_path
+
+
+class Decimal(Processor):
+
+    def __init__(self, cardinal=None):
+        super().__init__(name="decimal", ordertype="itn")
+        self.cardinal = cardinal or Cardinal()
+        self.build_tagger()
+        self.build_verbalizer()
+
+    def build_tagger(self):
+        digit = string_file(get_abs_path("../itn/english/data/numbers/digit.tsv"))
+        zero = string_file(get_abs_path("../itn/english/data/numbers/zero.tsv"))
+        ds = delete(" ")
+
+        # fractional part: digit by digit, "o" => 0
+        frac_digit = digit | zero | cross("o", "0")
+        frac_graph = closure(frac_digit + ds) + frac_digit
+
+        optional_negative = closure(
+            insert('negative: "true" ') + delete("minus") + ds, 0, 1
+        )
+        integer_part = insert('integer_part: "') + self.cardinal.graph + insert('"')
+        frac_part = insert('fractional_part: "') + frac_graph + insert('"')
+        point = delete("point")
+
+        graph = optional_negative + closure(integer_part + ds, 0, 1) + point + ds + frac_part
+        self.tagger = self.add_tokens(graph)
+
+    def build_verbalizer(self):
+        optional_sign = closure(cross('negative: "true"', "-") + self.DELETE_SPACE, 0, 1)
+        integer = delete('integer_part:') + self.DELETE_SPACE + delete('"') + self.NOT_QUOTE.plus + delete('"')
+        optional_integer = closure(integer + self.DELETE_SPACE, 0, 1)
+        fractional = (
+            insert(".") + delete('fractional_part:') + self.DELETE_SPACE
+            + delete('"') + self.NOT_QUOTE.plus + delete('"')
+        )
+        optional_fractional = closure(fractional + self.DELETE_SPACE, 0, 1)
+        graph = optional_sign + optional_integer + optional_fractional
+        self.numbers = graph
+        self.verbalizer = self.delete_tokens(graph)
diff --git a/itn/english/rules/inverse_normalizer.py b/itn/english/rules/inverse_normalizer.py
new file mode 100644
index 00000000..446ffe35
--- /dev/null
+++ b/itn/english/rules/inverse_normalizer.py
@@ -0,0 +1,56 @@
+# Copyright (c) 2026 Zhendong Peng (pzd17@tsinghua.org.cn)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from importlib_resources import files
+from pynini.lib.pynutil import add_weight, delete
+
+from itn.english.rules.cardinal import Cardinal
+from itn.english.rules.char import Char
+from itn.english.rules.decimal import Decimal
+from itn.english.rules.ordinal import Ordinal
+from tn.processor import Processor
+
+
+class InverseNormalizer(Processor):
+
+    def __init__(self, cache_dir=None, overwrite_cache=False):
+        super().__init__(name="en_inverse_normalizer", ordertype="itn")
+        if cache_dir is None:
+            cache_dir = files("itn")
+        self.build_fst("en_itn", cache_dir, overwrite_cache)
+
+    def build_tagger_and_verbalizer(self):
+        cardinal = Cardinal()
+        ordinal = Ordinal(cardinal=cardinal)
+        decimal = Decimal(cardinal=cardinal)
+        char = Char()
+
+        tagger = (
+            add_weight(ordinal.tagger, 1.0)
+            | add_weight(decimal.tagger, 1.01)
+            | add_weight(cardinal.tagger, 1.02)
+            | add_weight(char.tagger, 100)
+        ).optimize()
+
+        tagger = tagger.star
+        self.tagger = tagger @ self.build_rule(delete(" "), "", "[EOS]")
+
+        verbalizer = (
+            cardinal.verbalizer
+            | ordinal.verbalizer
+            | decimal.verbalizer
+            | char.verbalizer
+        ).optimize()
+
+        self.verbalizer = verbalizer.star
diff --git a/itn/english/rules/ordinal.py b/itn/english/rules/ordinal.py
new file mode 100644
index 00000000..b61306f3
--- /dev/null
+++ b/itn/english/rules/ordinal.py
@@ -0,0 +1,52 @@
+# Copyright (c) 2026 Zhendong Peng (pzd17@tsinghua.org.cn)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import pynini
+from pynini import closure, cross, string_file
+from pynini.lib.pynutil import delete, insert
+
+from itn.english.rules.cardinal import Cardinal
+from tn.processor import Processor
+from tn.utils import get_abs_path
+
+
+class Ordinal(Processor):
+
+    def __init__(self, cardinal=None):
+        super().__init__(name="ordinal", ordertype="itn")
+        self.cardinal = cardinal or Cardinal()
+        self.build_tagger()
+        self.build_verbalizer()
+
+    def build_tagger(self):
+        graph_digit = string_file(get_abs_path("../itn/english/data/ordinals/digit.tsv"))
+        graph_teen = string_file(get_abs_path("../itn/english/data/ordinals/teen.tsv"))
+        # first => one => 1, twelfth => twelve => 12, twentieth => twenty => 2(0)
+        suffix = graph_digit | graph_teen | cross("tieth", "ty") | cross("th", "")
+        graph = closure(self.VCHAR) + suffix
+        self.graph = pynini.compose(graph, self.cardinal.graph)
+
+        final_graph = insert('integer: "') + self.graph + insert('"')
+        self.tagger = self.add_tokens(final_graph)
+
+    def build_verbalizer(self):
+        integer = delete("integer:") + self.DELETE_SPACE + delete('"') + self.NOT_QUOTE.plus + delete('"')
+        # 1 => 1st, 2 => 2nd, 3 => 3rd, 11 => 11th, 12 => 12th, 13 => 13th, rest => Xth
+        ordinal_suffix = (
+            cross("11", "11th") | cross("12", "12th") | cross("13", "13th")
+            | cross("1", "1st") | cross("2", "2nd") | cross("3", "3rd")
+            | insert("th", weight=0.01)
+        )
+        graph = integer @ pynini.cdrewrite(ordinal_suffix, "", "[EOS]", self.VSIGMA)
+        self.verbalizer = self.delete_tokens(graph)
diff --git a/itn/english/test/__init__.py b/itn/english/test/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/itn/english/test/data/en_cardinal.txt b/itn/english/test/data/en_cardinal.txt
new file mode 100644
index 00000000..1fd0c978
--- /dev/null
+++ b/itn/english/test/data/en_cardinal.txt
@@ -0,0 +1,22 @@
+twenty three => 23
+one hundred => 100
+one hundred and one => 101
+two hundred and fifty four => 254
+one thousand => 1000
+one thousand two hundred thirty four => 1234
+eleven hundred => 1100
+twenty one hundred => 2100
+twenty one hundred and eleven => 2111
+ten thousand => 10000
+one hundred thousand => 100000
+one million => 1000000
+one billion => 1000000000
+one trillion => 1000000000000
+one thousand and one => 1001
+one million one => 1000001
+one billion five hundred ninety three million seventy two thousand nine hundred sixty one => 1593072961
+zero => 0
+five => 5
+thirty => 30
+minus forty two => -42
+negative five => -5
diff --git a/itn/english/test/data/en_decimal.txt b/itn/english/test/data/en_decimal.txt
new file mode 100644
index 00000000..e787ccab
--- /dev/null
+++ b/itn/english/test/data/en_decimal.txt
@@ -0,0 +1,8 @@
+twelve point five => 12.5
+three point one four => 3.14
+minus three point one four => -3.14
+point o five => .05
+point five => .5
+one point zero => 1.0
+zero point five => 0.5
+twenty three point four five six => 23.456
diff --git a/itn/english/test/data/en_ordinal.txt b/itn/english/test/data/en_ordinal.txt
new file mode 100644
index 00000000..16e43e6b
--- /dev/null
+++ b/itn/english/test/data/en_ordinal.txt
@@ -0,0 +1,13 @@
+first => 1st
+second => 2nd
+third => 3rd
+fourth => 4th
+fifth => 5th
+eleventh => 11th
+twelfth => 12th
+thirteenth => 13th
+twenty first => 21st
+thirty second => 32nd
+forty third => 43rd
+one hundredth => 100th
+one hundred and first => 101st
diff --git a/itn/english/test/normalizer_test.py b/itn/english/test/normalizer_test.py
new file mode 100644
index 00000000..4fb07563
--- /dev/null
+++ b/itn/english/test/normalizer_test.py
@@ -0,0 +1,35 @@
+# Copyright (c) 2026 Zhendong Peng (pzd17@tsinghua.org.cn)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from itertools import chain
+
+import pytest
+
+from itn.english.rules.inverse_normalizer import InverseNormalizer
+from itn.english.test.utils import parse_test_case
+
+
+class TestNormalizer:
+
+    normalizer = InverseNormalizer(overwrite_cache=True)
+
+    normalizer_cases = chain(
+        parse_test_case("data/en_cardinal.txt"),
+        parse_test_case("data/en_ordinal.txt"),
+        parse_test_case("data/en_decimal.txt"),
+    )
+
+    @pytest.mark.parametrize("spoken, written", normalizer_cases)
+    def test_normalizer(self, spoken, written):
+        assert self.normalizer.normalize(spoken) == written
diff --git a/itn/english/test/utils.py b/itn/english/test/utils.py
new file mode 120000
index 00000000..a2ade7bc
--- /dev/null
+++ b/itn/english/test/utils.py
@@ -0,0 +1 @@
+../../../tn/chinese/test/utils.py
\ No newline at end of file