am/is was
are/ were
become became
begin began
bring broght
buy bought
catch caught
come came
do did
eat ate
feel felt
find found
get got
give gave
go went
grow grew
have/has had
hear heard
know knew
make made
run ran
say said
see saw
sit sat
stand stood
take took
teach tought
tell told
write wrote
put put
read read
fight fought
think thought
spend spent
lose lost
keep kept
sell sold
mean meant
pay paid
wear wore
lie lay
swim swam
sing sang
fly flew
speak spoke
foget fogot
can could
will would
shall should
may might
must must