fall	fell, fallen
feel	felt, felt
find	found, found
fly	flew, flown
forget	forgot, forgotten
get	got, got
give	gave, given
go	went, gone
grow	grew, grown
have	had, had
hear	heard, heard
hit	hit, hit
hurt	hurt, hurt
keep	kept, kept
know	knew, known
learn	learnt / learned, learnt / learned
leave	left, left
let	let, let