各种时态的主动语态和被动语态:主动语态被动语态动词原形或+s/es主语+am/is/are+done1.一般现在时主语+系动词am/is/are+表语主语+Can/may/must+be+doneCan/may/must+动词原形动词过去式主语+was/were+donewas/were+表语主语+could/might/hadto+be+done2.一般过去时主语+could/might/hadto+动词原形Will/shall+v主语+will/shall+be+done3.一般将来时主语+am/is/aregoingto+v主语+am/is/aregoingto+be+doneam/is/are+todo主语+am/is/are+to+be+donewould/should+v主语+would/should+be+done4.过去将来时主语+was/weregoingto+do主语+was/weregoingto+be+doneWas/were+todo主语+Was/were+to+be+done5.现在进行时主语+am/is/are+doing主语+am/is/are+beingdone6.过去进行时主语+was/were+doing主语+was/were+beingdone7.现在完成时主语+have/has+done主语+have/has+beendone8.过去完成时主语+had+done主语+hadbeendone9.现在完成进行时主语+have/has+beendoing(无被动)10.过去完成进行时主语+had+beendoing(无被动)注:系动词、不及物动词没有被动语态,但动词不定式todo有被动语态,即tobedone。主动语态变为被动语态1.IteachhimEnglisheveryday.--------HeistaughtEnglishbymeeveryday.主+谓+间宾+直宾+时间状语(1)主动语态变为被动语态:主动语态的主语变为被动语态中by的宾语(人称代词由主格变为宾格),主动语态的动词变为被动语态相应时态的被动语态(要按着各种时态的构成形式去变),主动语态的宾语变为被动语态的主语(人称代词由宾格变为主格)。(2)主动语态变为被动语态,动词时态不能发生变化。(3)人称代词的主格和宾格:主格在句子中作主语,宾格在句子中作宾语。人称代词的主格:主格在句子中作主语I(我),you(你),he,she,it(他,她,它),we(我们),you(你们),they(他/她/它们)人称代词的宾格:宾格在句子中作宾语,放在动词和介词之后。me(我),you(你),him,her,it(他,她,它),us(我们),you(你们),them(他/她/它们)