BE
was/ were - been
become
became/ become
begin
began/ begun
bite
bit/ bitten
break
broke/ broken
bring
brought/ brought
buy
bought/ bought
can
could/ been able
choose
chose/ chosen
come
came/ come
cost
cost/ cost
cut
cut/cut
beat
beat / beaten
build
built / built
catch
caught / caught
do
did / done
