be的过去式及过去分词 过去式was were第一、三人称要搭配was第二人称搭配were过去分词been一般用于完成时态中
is，are，am的动词进行时，过去式，过去分词各是什么？ is/are/am 没有独立的进行时形式，都用being过去式：is-was/are-were/am-was过去分词：is/are/am 过去分词都是been
不规则动词的过去式和过去分词 show：showed shownthrow：threw thrownhide：hid hiddenwrite：wrote writtenbreak：broke brokenchoose：chose chosenforget：forgot forgottenfreeze：froze frozenspeak：spoke spokensteal：stolestolen带反斜杠的这个不知道什么意思are：were，have beenfly：flew flowenlie：lay(lied)lainwear：wore wornbring：brought broughtbuild：built builtcatch：caught caughtding：不认识feel：felt feltfind：found foundget：got gottonhang：hanged hangedhave：had hadhas：had hadhold：held heldkeep：kept keptlay：laid laidlearn：learnt learntleave：left leftlend：lent lentlose：lost losthear：heard heard(注意不是加ed)；make：made mademean：meant meantmeet：met metpay：paid paidsay：said saidsell：sold soldsend：sent sentshine：shone shone(或者都为shined)sit：sat sat好好学习 天天向上。
