very easy
make
made
eat
ate
become
became
know
knew
choose
chose
come
came
do
did
drink
drank
win
won
mean
meant
break
broke
drive
drove
say
said
find
found
speak
spoke
be
was/were
leave
left
take
took
buy
bought
read
read
lose
lost
pay
paid
meet
met
build
built
cost
cost