be
was - been
become
became - become
begin
began - begun
find
found - found
forbid
forbade - forbidden
forget
forgot - forgotten
have
had had
hide
hid - hidden
keep
kept kept
know
knew - known
lead
led - led
learn
learnt /learned - learnt / learned
mean
meant - meant
meet
met - met
write
wrote - written
win
won - won
