Irregular Verb

Many of the most common main verbs in English are irregular. This means that they form their past tense form and past participle form in a different way from the regular -ed ending.

Most auxilliary verbs in English are irregular.

List of some irregular verbs:

Present	Past	Past participle
alight	alit/alighted	alit/alighted
arise	arose	arisen
awake	awoke	awoken
be (am/is/are)	was/were	been
bear	bore	borne
beat	beat	beat
become	became	become
begin	began	begun
bend	bent	bent
bet	bet/betted	bet/betted
bid	bid/bade	bid/bidden
bide	bade/bided	bided
bind	bound	bound
bite	bit	betten
bleed	bled	bled
bless	blest/blessed	blest/blessed
blow	blew	blown
break	broke	broken
breed	bred	bred
bring	brought	brought
broadcast	broadcast/broadcasted	broadcast/broadcasted
build	built	built
burn	burnt/burned	burnt/burned
buy	bought	bought
can	could	no participle (been able to)*
cast	cast	cast
catch	caught	caught
choose	chose	chosen
cling	clung	clung
come	came	come
cost	cost	cost
creep	crept	crept
crow	crowed	crew/crowed
cut	cut	cut
dig	dug	dug
do	did	done
draw	drew	drawn
dream	dreamt/dreamed	dreamt/dreamed
drink	drank	drunk
drive	drove	driven
dwell	dwelt/dwelled	dwelt/dwelled
fall	fell	fallen
feed	fed	fed
feel	felt	felt
find	found	found
flee	fled	fled
fly	flew	flown
forbid	forbade	forbidden
forecast	forecast, forecasted	forecast, forecasted
forget	forgot	forgotten
forgive	forgave	forgiven
forsake	forsook	forsaken
freeze	froze	frozen
get	got	got (American English: gotten)
give	gave	given
go	went	gone
grind	ground	ground
grip	gript/gripped	gript/gripped
grow	grew	grown
hang	hung/hanged	hung/hanged
have	had	had
hear	heard	heard
hide	hid	hidden
hit	hit	hit
hold	held	held
hurt	hurt	hurt
keep	kept	kept
kneel	knelt/kneeled	knelt/kneeled
knit	knit/knitted	knit/knitted
know	knew	known
lay	laid	laid
lead	led	led
leap	leapt/leaped	leapt/leaped
learn	earnt/learned	earnt/learned
leave	left	left
lend	lent	lent
let	let	let
lie	lay	lain
light	lit/lighted	lit/lighted
lose	lost	lost
make	made	made
may	might	-
mean	meant	meant
meet	met	met
melt	melted	molten/melted
mistake	mistook	mistaken
pay	paid	paid
pen	pent/penned	pent/penned
plead	pled/pleaded	pled/pleaded
prove	proved	proven/proved
put	put	put
quit	quit/quitted	quit/quitted
read	read	read
rid	rid/ridded	rid/ridded
ride	rode	riden
ring	rang	rung
rise	rose	risen
run	ran	run
saw	sawed	sawn/sawed
say	said	said
see	saw	sawn
seek	sought	sought
sell	sold	sold
send	sent	sent
set	set	set
sew	sewed	sewn/sewed
shake	shook	shaken
shall	should	-
shed	shed	shed
shine	shone	shone
shit	shit/shitted/shat	shit/shitted/shat
shoot	shot	shot
show	showed	shown/showed
shrink	shrank/shrunk	shrunk
shut	shut	shut
sing	sang	sung
sink	sank	sunk
sit	sat	sat
slay	slew	slain
sleep	slept	slept
slide	slid	slid
sling	slung	slung
slink	slunk	slunk
slit	slit	slit
smell	smelt/smelled	smelt/smelled
smite	smote	smitten
sneak	sneaked/(American English: snuck)	sneaked/(American English: snuck)
sow	sowed	sown/sowed
speak	spoke	spoken
speed	sped/speeded	sped/speeded
spell	spelt/spelled	spelt/spelled
spend	spent	spent
spill	spilt/spilled	spilt/spilled
spin	spun	spun
spit	spat	spat
split	split	split
spread	spread	spread
spring	sprang/sprung	sprung
stand	stood	stood
steal	stole	stolen
stick	stuck	stuck
sting	stung	stung
stink	stank/stunk	stunk
strew	strewed	strewn
stride	strode	stridden
strike	struck	struck
string	strung	strung
strive	strove	striven
swear	swore	sworn
sweat	sweat/sweated	sweat/sweated
sweep	swept	swept
swell	swelled	swollen/swelled
swim	swam	swum
swing	swung	swung
take	took	taken
teach	taught	taught
tear	tore	torn
tell	told	told
think	thought	thought
throw	threw	thrown
thrust	thrust	thrust
tread	trod	trodden
understand	understood	understood
undertake	undertook	undertaken
wake	woke/waked	woken/waked
wear	wore	worn
wed	wed/wedded	wed/wedded
weep	wept	wept
wet	wet/wetted	wet/wetted
win	won	won
wind	wound	wound
wreak	wrought/wreaked	wrought/wreaked
wring	wrung	wrung
write	wrote	written