Come,came,come
Give,gave,given
eat,ate,eaten
read,read,read
take,took,taken
begin,began,begun
let,let,let
leave,left,left
know,knew,known
think,thought,thought
swim,swam,swum
run,ran,run
bring,brought,brought
2 форма fell, was, spent, met, got married
3 форма sold, taken, won, flown