sit
sat sat
write
wrote written
lose
lost lost
sell
sold sold
swim
swam swum
steal
stole stolen
see
saw seen
wake
woke woken
read
read read
send
sent sent
sleep
slept slept
pay
paid paid
win
won won
sing
sang sung
ride
rode ridden
teach
taught taught
run
ran run
throw
threw thrown
think
thought thought