say
said / said
see
saw / seen
sing
sang / sung
sleep
slept / slept
speak
spoke / spoken
steal
stole / stolen
swim
swam / swum
take
took / taken
teach
taught / taught
think
thought / thought
wake
woke / woken
celebrate
celebrated / celebrated
write
wrote / written
create
created / created
grow
grew / grown
fly
flew / flown
