原形 ing 过去式 复数形式
begin beginning began
tell telling told
bring bringing brought
buy buying bought
catch catching caught
feel feeling felt
come coming came
eat eating ate
know knowing knew
stand standing stood
find finding found
get getting got
give giving gave
hear hearing heard
see seeing saw
sit sitting sat
teach teaching taught
write writing wrote
put putting put
grow growing grew
好好学英语,还有动词没有复数形式.