be
am, are, is
was, were
become
became
begin
began
study
studied
break
broke
bring
brought
buy
bought
go
went
have
had
do
did
eat
ate
drink
drank
look
looked
forget
forgot
visit
visted
stay
stayed
cook
cooked
put
put
sleep
slept
make
made
say
said
read
read
understand
understood
write
wrote