2、ked, helped, watched。 c．在[t],[d]音后读[Id]，如planted, wanted, handed(上交)。 不规则动词的过去式变化则没有什么规律，请大家背熟记牢： sit —— sat throw —— threw am, is —— was drink —— drank draw —— drew are —— were sing —— sang fly ——flew do —— did begin —— began g
3、row —— grew have, has —— had swim —— swam put —— put may —— might give —— gave cut —— cut can —— could ring —— rang let —— let shall ——should run —— ran read —— read will —— would ride —— rode catch —— caught
4、 go —— went write —— wrote teach —— taught eat —— ate drive —— drove think —— thought hear —— heard keep —— kept buy —— bought see —— saw sleep —— slept fight —— fought find —— found sweep —— swept hold —— held w
5、ear —— wore feel —— felt tell —— told meet —— met come —— came get —— got mean —— meant become —— became make —— made speak —— spoke take —— took say —— said1）is, am -was are-were 2) begin-began ring-rang drink-drank swim-swam
