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ThePassiveVoice被动语态,英语中动词有主动语态和被动语态两种语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者，在被动语态中动作的执行者有时用by短语表示出来。,各种时态的被动语态构成,一般现在时：一般过去时：一般将来时：情态动词：过去进行时现在完成时：,S+am/is/are+done,S+can/may/must/should+be+done,S+will+be+done,S+was/were+being+done,S+have/has+been+done,S+was/were+done,各种时态的被动语态构成,一般现在时的被动语态,1.thepresentpassivevoice结构：am/is/are+过去分词e.g.Tombreaksthebeautifulkite.ThebeautifulkiteisbrokenbyTom.,一般过去时的被动语态,2.thepastpassivevoice结构:was/were+过去分词e.g.OurancientpeoplebuilttheGreatWall.TheGreatwallwasbuiltbyourancientpeople.,一般将来时的被动语态,【含义】表示将要发生的被动动作，后常跟表示将来时的时间状语。【结构】?,Summingup,shall/will+do,be+p.p.,Shall/will+be+p.p.,shall只用于第一人称，will可用于所有人称,Peoplewillpunishedyouifyoucutdownatree.,You,willbepunished,(bypeople),ifyoucutdownatree.,Thesebottleswillberecycledtomakenewthings(bypeople).,Someclotheswillbesoldincharityshops.,Moretreeswillbeplantedbythegovernment.,Peoplewillrecycledthesebottlestomakenewthings.,Peoplewillsellsomeclothesincharityshops.,Thegovernmentwillplantmoretrees.,AmycantakegoodcareofGina,GinacanbetakengoodcareofbyAmy.,情态动词的被动语态：S+can/may/must/should+be+过去分词,1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.,Thebabycanbetakencareofbyhim.,ThepicturemaybedrawnbyLucy.,Thelightsmustbeturnedoffbyyou.,Englishshouldbelearnedwellbythem.,Shewaterstheflowerseveryday.,Theflowers,everyday.,arewatered,(byher),Mymothersweepstheflooreveryday.,Thefloorisswept(bymymother)everyday.,2.Iboughtacomputerlastterm,Acomputerwasbought(byme)lastterm.,Thelightwasinvented(byThomasEdison).,ThomasEdisoninventedthelight.,Thestudentsplantedmanytreesyesterday.,Manytreeswereplanted(bythestudents)yesterday.,Anncantakegoodcareofthecats,ThecatscanbetakengoodcareofbyAnn.情态动词(modelverb)：S+can/must/should等情态动词+be+过去分词,Weshouldcleantheclassroomeveryday.,Theclassroomshouldbecleanedbyuseveryday.,1.Peopleuseknivesforcuttingthings.Knives_forcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroom_twiceamonth.,areused,are,cleaned,(变被动语态）,3.Ifoundtheticketonthefloor._onthefloor.4.Itoldhertoreturnthebookintime.She_toreturnthebookintime.,Theticketwasfound,wastold,5.Lastyearwebuiltalibraryinourschool.Alibrary_inourschoollastyear.6.Nowpeoplecanusecomputerstohelpthem.Nowcomputers_tohelpthem.,wasbuilt,canbe,used,7.Didyouplantmanytreesatthistimelastyear?_atthistimelasttime?8.Mustwefinishourworktoday?_ourwork_today?,Weremanytreesplanted,Mustbefinished,9.Theforeignfriendsgaveussomewonderfulstamps.1)_somewonderfulstamps.2)Somewonderfulstamps_.,weweregiven,were,giventous,10.TheteacheraskedTomtoturnonthecomputer.Tom_toturnonthecomputer.11.Inthisfactorywomendomostofthework.Mostofthework_bywomeninthisfactory.,wasasked,isdone,12.Hecanmendthebikeintwodays.Thebike_intwodays.13.Youmusttakethismedicinethreetimesaday.Thismedicine_threetimesaday.,canbemended,mustbe,taken,
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