basic
be
was/were → been
have
had→had
put
put→put
drive
drove→driven
run
ran→run
do
did→done
find
found→found
buy
bought→bought
give
gave→given
drink
drank→drunk
go
went→gone
make
made→made
begin
began→began
eat
ate→eaten
become
became → become
see
saw→seen
feel
felt→felt
cost
cost→cost
fall
fell→fallen
swim
swam→swum
can
could→been able
sleep
slept→slept
think
thought→thought
know
knew→known
teach
taught→taught