1
be
was/were
been
win
won
won
think
thought
thought
sit
sat
sat
meet
met
met
buy
bought
bought
break
broke
broken
eat
ate
eaten
learn
learnt
learnt
go
went
gone
drink
drank
drunk
do
did
done
ride
rode
ridden
stand
stood
stood
see
saw
seen
understand
understood
understood
come
came
come
teach
taught
taught
hear
heard
heard
say
said
said
begin
began
begun
choose
chose
chosen
wear
wore
worn
swim
swam
swum
fought
fought