Past simple/past participle
play
played/played
be (am-is-are)
was-were/been
forget
Forgot/forgotten
look
looked/looked
take
took/taken
eat
ate/eaten
drive
drove/driven
give
gave/given
swim
swam/swum
forgive
forgave/forgiven
walk
walked/walked
speak
/spoke/spoken
become
became/become
sell
sold/sold
think
thought/thought
imagine
imagined/imagined
enjoy
enjoyed/enjoyed
understand
understood/understood
fly
flew/flown
Fall
fell/fallen
put
put/put
leave
left/left
Choose
Chose/chosen
do
did/done
Go
went/gone