Easy
keep
kept / kept
run
ran / run
drive
drove / driven
retell
retold / retold
came / come
find
found / found
get
got / gotten
grow
grew / grown
throw
threw / thrown
become
became / become
do
did / done
hear
heard / heard
see
saw / seen
speak
spoke / spoken
choose
chose / chosen
buy
bought / bought
hide
hid / hid
ride
rode / ridden
show
showed / shown
fly
flew / flown
lose
lost / lost
make
made / made
write
wrote / written
think
thought / thought
give
gave / given