牛津深圳版八年级英语下册《Unit4Cartoonsandcomicstrips》ppt课件：Grammar

一般现在时的被动语态一般现在时的被动语态:amisaredone一般过去时一般过去时的被动语态的被动语态:wasweredone一般将来时一般将来时的被动语态的被动语态:willshallbedone现在完成时现在完成时的被动语态的被动语态:Basketballisplayedbypeopleallovertheworld.Apartywasheld(bythem)lastSunday.Youwillbefinedifyougowronghave/has+been+doneThebridgehasbeenbuiltfortwoyears.mustthrowshouldcookRubbish_intothebin.Food_beforeeating.mustbethrownshouldbecookedTheclassroomshouldbecleanedTheexitmaybestuckmaystick(粘贴粘贴)_onthesidedoor._everyday.shouldcleanRULE1Weuse_+pastparticipletoformthepassivevoicewithmodalverbs（情态动词）（情态动词）.modalverbs+bePassivevoicewithmodalverbs(can,may,mustandshould)e.g.Theworkcanbefinishedinanhour.含有情态动词的被动语态结构为：含有情态动词的被动语态结构为：肯定式肯定式：主主语语+can/may/must+be动过动过分分否定式否定式：主主语语+can/may/must+notbe+动过动过分分一般疑一般疑问问句句结结构构：Can/May/Must+主主语语+be+动过动过分分?树木已经被砍伐了（树木已经被砍伐了（cutdown)_河水已经被污染了（河水已经被污染了（pollute)_Treeshavebeencutdown.Waterintheriverhasbeenpolluted.米饭已经做好了米饭已经做好了._画已经画好了画已经画好了._Ricehasbeencookedalready.Thepicturehasbeendrawnalready.现在完成时被动语态肯定句现在完成时被动语态肯定句主语主语+has/havebeen+V.P.P.+.(V.P.P.=动词的过动词的过去分词形式去分词形式)Hermotorbikehasbeenstolen.她的摩托车被盗了。她的摩托车被盗了。现在完成时被动语态否定句现在完成时被动语态否定句主语主语+has/have+not+been+V.P.P.+.Thetaskhasnotbeenfinishedyet.任务尚未完成。任务尚未完成。RULE2RULE2现现在完成在完成时时被被动语态动语态一般疑一般疑问问句句句型句型1Hashe(she,it,单单数名数名词词)+been+V.P.P.+.?句型句型2Havewe(you,they,复数名复数名词词）+been+V.P.P.+.?Hasanewcomputerbeenbought?HavetheybeensentabroadtostudyEnglish?RULE2现现在完成在完成时时被被动语态动语态特殊疑特殊疑问问句句疑疑问词问词+have(has)+主主语语+been+P.P.+.?WhathasbeenboughtbyTom?Whohavebeenhelpedbythenewcomputer?Howmanybuildingshavebeenbuiltinthisschool?Wherehasthecarbeenrepaired?1.Weuse_or_+pastparticipletoformthepassivevoiceinthepresentperfecttense.(现在完成时）现在完成时）2.Weuse_+pastparticipletoformthepassivevoicewithmodalverbs.（情态动词）（情态动词）hasbeenhavebeenmodalverbs+beSummaryTurnthefollowingintothePassiveVoice.1.Wehaveplantedsometreesaroundthelake.Sometreeshavebeenplantedaroundthelake.2.Myfatherhaslockedthedoor.Thedoorhasbeenlocked.3.Someonehasturnedoffthelight.Thelighthasbeenturnedoff.4.Theyhaverebuiltthebridge.Thebridgehasbeenrebuilt.Practice1.TheriverssmellsterriblePeoplemust_dirtythingsintoit.A.bestoppedtothrowB.bestoppedfromthrowingC.stoptothrowD.stopformthrowing2.Paper_firstinventedinChina.A.isB.areC.wasD.were3.Doyouliketheflower?Yes,it_sweet.A.issmellingB.smeltC.issmeltD.smells4.Itsnowedheavilylastnight.Theground_thicksnow.A.wascoveredwithB.wasfilledwithC.wasmadeofD.coveredwithExercises:5.Thelightintheroom_beforeyouleave.A.mustturnofB.willturnoffC.areturnedD.mustbeturnedoff6.Thebridge_sincethreeweeksago.A.hasbeenbuildB.wasbuiltC.willbebuiltD.builds7.Theoldmenandthechildrenmust_inourcountry.A.takegoodcareB.betakengoodcareC.takegoodcareofD.betakengoodcareof8.Pauldoesnthavetobemade_.Healwaysworkshard.A.learnB.tolearnC.learnedD.learning9.Thegirlwasunhappybecauseshe_bysomeboysintheclass.A.islaughedB.waslaughedC.laughedatD.waslaughedat10.We_thattheEnglishtest_nextMonday.A.aretold,givesB.tell,willgiveC.aretold,willbegivenD.told,isgoingtobegiven11.Greatchanges_placeinChinasince1980.A.havebeentakenB.havetakenC.hasbeentakenD.took