初中语法复习：被动语态.ppt

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1、ThePassiveVoice英语动词有两种语态：主动语态(theActiveVoice)被动语态(thePassiveVoice)WhatisthePassiveVoice?A.主动语态表示主语是动作的执行者。B.被动语态表示主语是动作的承受者。Weplantedthetree.Thetreewasplantedbyus.WeloveXueda.主语谓语宾语Xueda主语谓语宾语主动语态被动语态islovedbyus当主语是动作的执行者时，动词用主动语态（ActiveVoice）；如果主语是动作

2、的承受者，动词便用被动语态（PassiveVoice）。Wecleanedtheclassroomyesterday.昨天我们打扫了教室。Theclassroomwascleanedbyusyesterday.昨天教室被我们打扫了。ManystudentsstudyEnglish.(主动语态)Englishisstudiedbymanystudents.(被动语态)Whentouseit?（1）当我们不知道谁是动作的执行者，或没有必要指出谁是动作的执行者时。（2）当我们需要强调动作承受者，而不是动

3、作的执行者。这本词典被保存完好(不需要说明是谁保存的)。这些书是在二十世纪二十年代发现的。（强调书被发现而不是强调由谁发现）Thedictionaryiswellkept.Thesebookwerefoundinthe1920s.被动语态的用法:Anotewaspasseduptothespeaker.1.强调动作的承受者;TabletennisisplayedalloverChina.Englishisspokenbymanypeople.2.不需要指出动作的执行者或动作的执行者难以说出或不必说

4、出.如，AnotherbridgehasbeenbuiltacrosstheChangjiangRiver.ThePartywasfoundedonJuly6,1924.theStructureis助动词be+及物动词的过去分词(be+V.P.P)一般现在时：am/is/aredone一般过去时：was/weredone现在进行时：am/is/arebeingdone过去进行时：was/werebeingdone现在完成时：have/hasbeendone过去完成时：hadbeendone一般将来

5、时：shall/willbedone;begoingtobedone当句中含有情态动词时，句子结构为can/must/haveto…bedone在改写中应注意：1.把原来的宾语提到前面作被动语态的主语;2.把动词变成“be+过去分词”;3.主动语态中的主语变为介词by的宾语。典型题例例1将下列句子改为被动语态。Wecleanourclassroomeveryday.Ourclassroomiscleaned(byus)everyday.主变被解题步骤:1.找宾语----即动作的承受者Theymak

6、eshoesinthatfactory.Shoes2.判断宾语的单复数----即be动词的单复数.arewere3.判断动词的时态----即be动词的时态.4.修改谓语的时态----即原句动词改为过去分词made5.修改原句的主语----即by+主语.bythem.Tombrokethewindow.ThewindowwasbrokenbyTom.Tombrokethewindows.ThewindowswerebrokenbyTom.Hebrokethewindows.Thewindowswer

7、ebrokenbyhim.一般现在时的被动语态：am/are/is+过去分词Peopleplayfootballallovertheworld.2.Mr.Greenteachesusthisterm.Footballallovertheworld.Wethisterm.isplayedbypeoplearetaught(byMr.Green)一般过去时的被动语态：was/were+过去分词4.PeoplebuilttheGreatWalllongago.5.Twoyearsagoweusedthe

8、machinestomakeshoesforchildren.TheGreatWalllongago.Twoyearsagothosemachinesshoesforchildren.wasbuilt(bypeople)wereused(byus)tomake一般将来时的被动语态：will/begoingto+be+过去分词6.Wewillwriteadiarynextclass.7.Tomisgoingtoholdabirthdayparty.Adiarynextclass.A