be
was/were - been
become
became - become
begin
began - begun
bite
bit - bitten
blow
blew - blown
break
broke - broken
bring
brought - brought
build
built - built
buy
bought - bought
catch
caught - caught
choose
chose - chosen
come
came - come
cost
cost - cost
cut
cut - cut
dig
dug - dug
do
did - done
