O
read
read
read
cut
cut
cut
have
had
had
send
sent
sent
write
wrote
written
make
made
made
learn
learned/learnt
learned/learnt
drink
drunk
be
was/were
been
ride
rode
ridden
see
saw
seen
speak
spoke
spoken
build
built
built
take
took
taken
come
came
come
buy
bought
bought
teach
taught
taught
do
did
done
go
went
gone
eat
ate
eaten
fly
flew
flown
lie
lay
lain
grow
grew
grown
choose
chose
chosen
fall
fell
fallen