Irregular verbs have patterns of regularity. These verbs can be grouped by similar vowel and spelling changes.
begin	began	begun	bite	bit	bitten
spring	sprang	sprung	hide	hid	hidden
ring	rang	rung	slide	slid	slid
sing	sang	sung
sink	sank	sunk	sting	stung	stung
swim	swam	swum	swing	swung	swung
			stick	stuck	stuck
sit	sat	sat	strike	struck	struck
			dig	dug	dug
come	came	come
become	became	become	spin	spun	spun
overcome	overcame	overcome	win	won	won
choose	chose	chosen	hang	hung	hung
drive	drove	driven	bleed	bled	bled
(a)rise	(a)rose	(a)risen	feed	fed	fed
ride	rode	ridden	speed	sped	sped
write	wrote	written	flee	fled	fled
			lead	led	led
give	gave	given	read	read	read
eat	ate	eaten	meet	met	met
			feel	felt	felt
blow	blew	blown	mean	meant	meant
grow	grew	grown
know	knew	known	fall	fell	fallen
throw	threw	thrown	hold	held	held
draw	drew	drawn
fly	flew	flown	bring	brought	brought
			buy	bought	bought
keep	kept	kept	fight	fought	fought
sleep	slept	slept	think	thought	thought
sweep	swept	swept	catch	caught	caught
weep	wept	wept	teach	taught	taught
creep	crept	crept	wind	wound	wound
kneel	knelt	knelt	grind	ground	ground
leave	left	left	find	found	found
swear	swore	sworn	beat	beat	beat
tear	tore	torn	bet	bet	bet
wear	wore	worn	burst	burst	burst
			cost	cost	cost
tell	told	told	cut	cut	cut
sell	sold	sold	hit	hit	hit
stand	stood	stood	knit	knit	knit
			let	let	let
understand	understood	understood	quit	quit	quit
withstand	withstood	withstood	shut	shut	shut
			split	split	split
get	got	gotten	set	set	set
forget	forgot	forgotten	spread	spread	spread
take	took	taken	bend	bent	bent
mistake	mistook	mistaken	lend	lent	lent
shake	shook	shaken	send	sent	sent
			spend	spent	spent
go	went	gone
undergo	underwent	undergone
do	did	done
have	had	had
make	made	made
say	said	said
pay	paid	paid
lay	laid	laid
lose	lost	lost
build	built	built
hear	heard	heard