初中语法复习：被动语态

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Theymakeshoesinthatfactory.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.Thewindowswerebrokenbyhim.一般现在时的被动语态：am/are/is+过去分词1.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.Twoyearsagoweusedthemachinestomakeshoesforchildren.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.Abirthdayparty.willbewritten(byus)isgoingtoheldbyTom情态动词的被动语态：must/haveto/can等+be+过去分词8.Youmustthrowthebrokenpotteryawayatonce.9.Wehavetofinishourhomeworkontime.Thebrokenpotteryatonce.Ourhomework.mustbethrownaway(byyou)hastobefinished(byus)ontimeSomeworkersarepaintingtheroomsnow．Theroomsarebeingpaintedbysomeworkersnow.现在进行时：S+am/is/are+being+过去分词Wehavemadetwentymorekeys．Twentymorekeyshavebeenmadebyus.现在完成时：S+have/has+been+过去分词1.Peopleuseknivesforcuttingthings.Knives____________forcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroom_____________twiceamonth.areusedarecleaned(变被动语态）七嘴八舌3.Ifoundtheticketonthefloor.________________________onthefloor.4.Itoldhertoreturnthebookintime.She_____________toreturnthebookintime.Theticketwasfoundwastold3.Wefoundtheticketonthefloor.5.Hisdoctormadehimhaveonlytwomealsaday.He___________________________onlytwomealsaday.6.Nowpeoplecanusecomputerstohelpthem.Nowcomputers___________________tohelpthem.wasmadetohavecanbeused7.Didyouplantmanytreesatthistimelastyear?___________________________atthistimelasttime?8.Mustwefinishourworktoday?_______ourwork_____________today?WeremanytreesplantedMustbefinished9.Theforeignfriendsgaveussomewonderfulstamps.1)____________________somewonderfulstamps.2)Somewonderfulstamps_____________________________.weweregivenweregiventous10.TheteacheraskedTomtoturnonthecomputer.Tom_______________toturnonthecomputer.11.Inthisfactorywomendomostofthework.Mostofthework_______________bywomeninthisfactory.wasaskedisdone12.Hecanmendthebikeintwodays.Thebike___________________intwodays.13.Youmusttakethismedicinethreetimesaday.Thismedicine______________________threetimesaday.canbemendedmustbetaken14.ThestudentsinthisschoolstudyGerman.German_______________bythestudentsinthisschool.15.Dotheyoftentalkaboutthisquestion?______thisquestionoften_______about______________?isstudiedIstalkedbythemAnswerrightorwrong1.必须照看好孩子们。Thechildrenmustbetakengoodcare.()Thechildrenmustbetakengoodcareof.()2.这本书是鲁迅写的。ThisbookwaswrotebyLuXun.()ThisbookwaswrittenbyLuXun.()3.昨天那支笔是他给我的。Thatpencilwasgivenmebyhimyesterday.()Thatpencilwasgiventomebyhimyesterday.()WRWRWR4.这辆自行车能修吗？Canthisbikemended?()Canthisbikebemended?()5.街道已由他们清理了。Thestreethasbeencleanedbythey.()Thestreethasbeencleanedbythem.()WRWR１带复合宾语的被动语态结构．（１）makesb.dosth.sb.bemadetodosth.MrGreenmadeJimdohishomeworkathome.JimwasmadetodohishomeworkbyMrGreenathome.feel,hear,listento,let,have,make,see,notice,watch,lookat,helpHemakesherhorseworkallday.Herhorseallday.Myfatherletmegooutforapicnic.Ioutforapicnic.ismadetoworkwaslettogo(2)seesb.doingsth.sb.beseendoingsth.Isawhimplayingfootballatthatmoment.Hewasseenplayingfootballatthatmoment.hear/watch/….2.带有双宾语（宾语既有人又有物）的被动结构是:1)将间接宾语(人)变为主语，直接宾语(物)变。2)将直接宾语(物)变为主语，一般要在间接宾语前加介词to或for.BobsentKatealetterlastyear.=KatewassentaletterbyBoblastyear.=AletterwassenttoKatebyBoblastyear.tellaskbringwritegivesendshowteachpasslend…toMummademeanewdress.IwasmadeanewdressbyMum.Anewdresswasmadeforme