buy
bought / bought
break
broke / broken
sing
sang / sung
fall
fell / fallen
run
ran / run
see
saw / seen
meet
met / met
ride
rode / ridden
take
took / taken
win
won / won
find
found / found
cut
cut / cut
write
wrote / written
lose
lost / lost
drink
drank / drunk
come
came / come
hear
heard / heard
read
read / read
sleep
slept / slept
speak
spoke / spoken
think
thought / thought
do
did / done
send
sent / sent
go
went / gone