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Diligenceisthemotherofsuccess.勤奋是成功之母。当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者时，或者只需强调动作的承受者时，要用被动语态。构成ManypeopleEnglishspeakEnglish.isspokenbymanypeople.被动语态：主语是动作的承受者.一般现在时：am／is／are+vt.p.p.构成：be+vt.p.p.一般过去时：was／were+vt.p.p.情态动词：must(can/could/may)+be+vt.p.p.构成：be+vt.p.p.shall/willbebegoingtobe一般将来时：+vt.p.p.现在进行时：be(am/is/are)+being+vt.p.p.Arecorderarecorderuse…in…isusedinourEnglishclasseveryday.playoftenFootballAcamerause…for…isoftenplayedallovertheworld.isusedfortakingphotos.robyesterdayAman-madesatelliteAbanksenduplastyearwasrobbedyesterday.wassentupspacelastyear.intomustplantThetreeThegroundbecoveredwithmustbeplantedontheground.willbecoveredwithinafewyears’time.treestreesendtorightnowTheyAtalkatalkgivesoonwillbesenttothehospitalrightnow.willbegivensoon.digTheearthThefoodeatupisbeingdugnow.hasbeeneatenupalready.Footballisplayedallovertheworld.Acameraisusedfortakingphotos.Abankwasrobbedyesterday.Aman-madesatellitewassentupintospacelastyear.Thetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.Theywillbesenttothehospitalrightnow.Atalkwillbegivensoon.Theearthisbeingdugnow.Thefoodhasbeeneatenupalready.Lookandfindoutthesimilarities(相同点):一般现在时：am/is/are+vt.p.p.一般过去时：was/were+vt.p.p.一般将来时:willbe/begoingtobe+vt.p.p.情态动词：must/can/could/may+be+vt.p.p.现在进行时:be(am/is/are)+being+vt.p.p.现在完成时:have/has+been+vt.p.p.被动语态的构成：be+vt.p.p.被动语态：当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者时，或者只需强调动作的承受者时，要用被动语态。主语是动作的承受者。ChineseIAnewbikeisspokenbymanywasboughtanewbikewasboughtyesterday.forme•ManypeoplespeakChinese.people.•Heboughtmeanewbikeyesterday.yesterday.→•Thebossmadehimdotheheavyworkintheolddays.heavyworkintheolddays.todowasmadeHethe•Tommusthandinthecompositionafterclass.Thecompositionmustbehandedinafterclass.•Therainstopped.•Thesouptastesdelicious.stop,taste在句中是不及物动词，后面不能直接带宾语，因此不能变为被动语态。主动语态如何改成被动语态？1.主动语态的宾语改成被动语态的主语.2.主动语态的谓语动词改成被动语态的谓语动词。do3.注意保持时态和人称的一致。4.带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词:to,for.bedonepass,show,send…此类动词有：5.一些动词不定式在主动语态中省略to作宾语补足语，改成被动语态时，to必须还原。注:1.不及物动词（vi.)不用被动语态。buybeboughtfor如：givebegivento此类动词还有：draw，make,cook,mende.g.happen,appear,disappeare.g.Atrafficaccident________(happen)justnow.happened2.连系动词（Link.v.)不用被动语态。如：be,look,seem,feel,sound,smell,taste,get,turn,become…e.g.PekingOpera_______(sound)beautiful.sounds3.当此动词表示事物的自然属性的时候，不用被动语态。e.g.Thepen__________(write)veryfast.writesThiskindofsweater_______(sell)well.sells动词短语的被动语态takecareof→betakencareofcutdown→becutdownlaughat→belaughedatlookafter→belookedafter被动语态的动词短语以下这些短语本身即是被动语态的形式，不需再加“by”.becoveredwith用...覆盖beinterestedin对...感兴趣besurprisedat对...感到惊奇bemadeof/from用…制成的beknownto出名MultipleChoice:1.()Ifthework__,youcangoandplaygames.A.finishedB.hasfinishedC.willbefinishedD.isfinishedD2.()Itwasrainingheavilyoutside,thechildrenweremade__intheclassroom.A.stayB.tostayC.stayingD.stayedB3.()Kate_______theletterbeforehermothercameintoherbedroom.A.haswrittenB.waswrittenC.hadwrittenD.iswritingC4.()Tomakeourcitymorebeautiful,rub-bish__intotheriver.A.needn’tbethrownB.mustn’tbethrownC.can’tthrowD.maynotthrowB5.()Ilikemybike.It__verywell.A.ridesB.isridingC.isriddenD.hasriddenA6.()—Iwon’tcometothepartyunlessTom__,too.—YoumeanifTomcomes,you’llcome.A.willinviteB.invitesC.invitedD.isinvitedD7.()EveryonewhoheardMr.Green’sstory__it.A.laughedatB.waslaughedC.laughedD.waslaughedatA8.()Thechildrenmust__.A.lookafterB.betakengoodcareC.lookthesameD.betakengoodcareofD9.()Thewomanstilldoesn’tknowwhat__inherhometown.A.happensB.happenedC.willhappenD.washappenedB—Yes.Mybike___.10.()—Isawyoucometoschoolonfootthismorning.A.ismendingB.isbeingmendedC.ismendedD.isbeingmendingBFillintheblanksusingrightforms:1.Allthestudents__________(ask)tobringakitewiththemlastSunday.2.Aremanyways_______(try)tostoppeoplefromcuttingdownsomanytrees?3.—Whatareonshowinthemuseum?—Somephotos_________(take)byAmericanchildren.4.Thiscoat_________(wash)well.9.Haveyoufoundyournecklace________(偷)lastweek?6.I’moften_________(警告）nottocopyothers’homework.7.Hecouldn’texplainwhydinosaurs___________(消失).8.I’llhavemybike__________________(修理)tomorrow.5.Musttheoldpeople____________(speak)topolitely?10.ThePRCwas_________(成立)onOctober1,1949.wereaskedtriedtakenwashesbespokenwarneddisappearedmended／repairedstolenfounded看图，写一篇以HowtoPlantaTree?为题目的短文，要求内容齐全，上下文连贯,展开合理想象。词数：60—80。Fillintheblankswiththeverbsusingrighttensesandvoices:1.Largenumbersofplasticbags___________(use)inthesupermarketseveryday.2._____ourcountry____(send)upanotherman-madesatellitelastyear?3.Musttheoldpeople____________(speak)topolitely?4.Hergrandmawasstillalivewhenhe_________(take)tothehospital.5.English__________(speak)inmanycounties,buttheChinese______(speak)theirownlanguage.6.Threequartersoftheworld’sbooks______________(write)inEnglish.7.Thiskindofsweater___________(sell)well.8._________Lesson50___________(teach)nextweek?areusedDidsendbespokenwastakenisspokenspeakarewrittensellsWillbetaught1.Brucewriteshisfatheralettereveryweek.2.Thisfactoryproducesmachinetools.3.Theyoftenmakefunofher.4.Everyonerespectsher.5.Wecleanourclassroomeveryday.