英语动词有两种语态:主动语态和被动语态。1.当我们不知道谁是动作的执行者,2.或者只需强调动作的承受者时,要用被动语态。时态:1.一般现在时:2.一般过去时:3.一般将来时:4.情态动词的被动语态:被动语态结构:■■■be+过去分词(PP)+(by…)am/is/are+ppwas(were)+ppwill(shall)/begoingto+be+ppmust(can,may等)+be+pp在改写中应注意:1.把原原来的宾语宾语提到前面作被动语态的主语主语;;2.把动词变成“bebe++过去分词过去分词”;3.主动语态中的主语主语变为介词byby的宾语宾语。。典型题例例1将下列句子改为被动语态。Wecleanourclassroomeveryday.Ourclassroomiscleaned(byus)everyday.一般现在时的被动语态:am/are/is+过去分词过去分词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+过去分词过去分词8.Youmustthrowthebrokenpotteryawayatonce.9.Wehavetofinishourhomeworkontime.Thebrokenpotteryatonce.Ourhomework.mustbethrownaway(byyou)hastobefinished(byus)ontime思考思考11:将下列的主动句变为被动语态::将下列的主动句变为被动语态:10.Wegavehimsomebooks.→He.→Somebooks.wasgivensomebooks(byus)weregiventotohim(byus)思考2:12.IusuallyhearhersingEnglishsongsinthemorning.Sheinthemorning.isusuallyheardtotosingEnglishsongs14.Hemakesherhorseworkallday.Herhorseallday.15.Myfatherletmegooutforapicnic.Ioutforapicnic.ismadetotoworkwaslettotogo知识运用知识运用一、单项选择:1.Onlythirty-eightideasbythenewspaper.A.chooseB.choseC.waschosenD.werechosen2.Asusual,Meihuaat6:30thismorningbyhermothertogetreadyforschool.(2006)A.haswokenupB.wokeupC.wakesupD.waswokenupDDDD3.Aneighbourhelpedtokeepourdog.Itwhilewewereonholiday.(2005)A.wastakencareB.tookcareofC.istakencareofD.wastakencareof4.AttheendofthemeetingMissGreentwominutestodecidewhethersheshouldjointheprojectornot.(2004)A.gaveB.hadgivenC.wasgivenD.wasgivingDDBB5.Mr.Johnson’sstorybyeveryonewhoheardit.(2003)A.laughedatB.waslaughedC.laughedD.waslaughedatDD二、请把下面句子改为被动语态1.TheyshowedJackcarefullyhowtouseit.→Jackcarefullyhowtouseit.2.Beijingwillholdthe29thOlympicGamesin2008.→The29thOlympicGamesin2008.wasshowedwillbeheldbyBeijing3.MissDengteachesusEnglish.→.→.4.Theysawtheboyplayingbasketballat3:00yesterday.→Theboy_________________at3:00yesterday.WearetaughtEnglishbyMissDengwasseentotoplaybasketballEnglishistaughttotousbyMissDeng5.Weshouldmakeourcountrybecomemoreandmorebeautiful.→Ourcountrymoreandmorebeautiful.shouldbemadetotobecome