I
was / were, been
have
had, had
read, read
go
went, gone
eat
ate, eaten
give
gave, given
sleep
slept, slept
do
did, done
come
came, come
make
made, made
take
took, taken
swim
swam, swum
buy
bought, bought
find
found, found
write
wrote, written
wake up
woke up, woken up