see
saw seen
bring
brought brought
drink
drank drunk
sing
sang sung
drive
drove driven
think
thought thought
begin
began begun
eat
ate eaten
teach
taught taught
make
made made
write
wrote written
can
could -
have
had had
be
was/were been
go
went gone
find
found found
take
took taken
fall
fell fallen
catch
caught caught
buy
bought bought
give
gave given
swim
swam swum
run
ran run
do
did done