be/was were/been

Become/Became/Become

begin/began/begun

Break/Broke/Broken

Build/Built/Built

Buy/Bought/Bought

Can/Could

Catch/Caught/Caught

Come/Came/Come

Cost/cost/cost

do/did/done

draw/drew/drawn

drink/drank/drunk

drive/drove/driven

eat/ate/eaten

feel/felt/felt

fight/fought/fought

find/found/found

fly/flew/flown

forget/forgot/forgotten

get/got/got

get up/got up/got up

give/gave/given

go/went/gone

have/had/had

hold/held/held

keep/kept/kept

know/knew/knowen

learn/learnt/learnt

leave/leaft/leaft