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Unit4CartoonsandcomicstripsThepassivevoiceToknowtheusageofthepassivevoicewithmodalverbsandthepassivevoiceinthepresentperfecttenseTolearntousethepassivevoicecorrectly1.TheworkhasbeenfinishedbyJim.2.Manytreesshouldbeplantedonthemountains.3.Teenagersshouldbeallowedtogooutwiththeirfriends.4.Tablescanbemadeofstone.5.Hecannotbefound.6.Suchamanhashardlybeenbelieved.7.Thebookhasbeenborrowedbyateacher.8.Thedoorhasbeenlocked.9.Thehousehasbeenbuilt.1.Thework________________byJim.2.Manytrees_________________onthemountains.3.Teenagers_______________togooutwiththeirfriends.4.Tables______________stone.5.He______________.6.Suchaman____hardly____________.7.Thebook__________________byateacher.8.Thedoor______________.9.Thehouse_____________.hasbeenfinishedshouldbeplantedshouldbeallowedcanbemadeofcannotbefoundhasbeenbelievedhasbeenborrowedhasbeenlockedhasbeenbuiltgoReady?将下列句子改为被动句。1.Thepolicehavecaughtthethief.Thethiefhasbeencaughtbythepolice.2.Shecan’tfinishherworktoday.Herworkcan’tbefinishedbyhertoday.3.Hehasn’tsentthosebooks.Thosebookshaven’tbeensentbyhim.4.Weshouldwritealettertothegovernment.Alettershouldbewrittentothegovernmentbyus.5.Mustpeopleeatvegetableseveryday?Mustvegetablesbeeatenbypeopleeveryday?被动语态情态动词的被动语态被动语态的现在完成时情态动词的被动语态1.被动语态表示主语是谓语动作的承受者,•被动语态构成:be+v-ed(be随着主语人称和数以及时态的不同而变化)2.情态动词具有一定的意义,但不能单独作谓语(情态动词+动词原形→句子谓语)•情态动词(除haveto以外)没有人称和数的变化•情态动词可用来构成否定句、疑问句并进行简略回答•初中常见的情态动词有:can,may,must,need,haveto,could,should,oughtto等•含有情态动词的被动语态构成:can/must/may/should…+be+V-ed变为否定句:情态动词+not变为一般疑问句:情态动词置于句首Weshouldplantmanytreesonthemountains.我们应该在山上种许多树。→Manytreesshouldbeplantedonthemountains.Parentsshouldallowfourteen-year-oldstochoosetheirownclothes.父母应该允许十四岁的少年选择他们自己的服装。→Fourteen-year-oldsshouldbeallowedtochoosetheirownclothes(byparents)Youcantakethisbookhome.你能把这本书带回家。→Thisbookcanbetakenhome(byyou).Musttheworkbedoneatonce?工作能马上做完吗?Thisproblemcan’tbeworkedoutveryeasily.解决这个问题没那么容易。现在完成时的被动语态have/hasbeendone现在完成时被动语态现在完成时的被动语态1.被动语态的现在完成时构成:have/has+beendoneHehasbeensenttostudynewtechnologyinthecompany.(肯定句)2.否定句:have/has+not+beendoneHehasnotbeensenttostudynewtechnologyinthecompany.(否定句)3.一般疑问句:have/has提前Hashebeensenttostudynewtechnologyinthecompany.(一般疑问句)4.注意:(1)现在完成时的被动语态有两个助动词:have,has,两者缺一不可(2)与一般过去时的被动语态区分:①一般过去时的被动语态:一个被动的动作发生在过去的某个时候,其结果对现在没有影响②现在完成时的被动语态:动作或状态发生在过去,但侧重说明动作或状态对现在造成的影响和结果Thehousewasbuiltlastyear.这房子是去年建造的。Thehousehasbeenbuilt.这房子已经建好了。(3)由finish,buy,start,begin,post,return,borrow,join,marry,open等词构成的现在完成时的被动语态不能与表示与一段时间的状语如forfourdays,howlong连用,而要改换动词或时态。译:这本书买了多久了?误:Howlonghasthebookbeenbought?对:Howlongagowasthisbookbought?(4)短语动词是一个不可分割的整体,在被动结构中要保持完整性,不可省略短语动词中的介词或副词。Theorphanhasbeenwelllookedafter.这位孤儿一直受到很好的照顾。注:另附word文档。点击此处链接1.--Lily,willyougotoJenny’sbirthdaypartythisSaturday?--I’mnotsure.BecauseI_____sofar.(2015山东泰安)A.haveinvitedB.wasn’tinvitedC.havebeeninvitedD.willbeinvited2.Teenagersshould_____totakecareofthemselvesfromayoungage.(2015临沂)A.educateB.beeducatingC.haveeducatedD.beeducatedI.中考链接3.--Idon’tthinksixteen-year-olds_____todrive.--Iagree.Theyaren’tseriousenoughatthatage.(2015梅州)A.canallowB.needbeallowedC.shouldallowD.shouldbeallowed4.--Foodsafetyisveryimportant.--Sosomerules_____tostoppeoplefrompollutingfood.(2014湖北咸宁)A.mustmakeB.mustbemadeC.mustmadeD.bemade5.--HowlongmayI_____yourdictionary?--Foroneweek.Butitmustn’t_____toothers.(2014烟台)A.keep,belentB.borrow,lendC.lend,beborrowedD.have,borrow6.--Jack,yourroomisdirty.Itshould_____rightaway.(2014黑龙江)--Sorry,I’lldoitrightnow.A.becleanedB.becleaningC.cleaned7.Manycomicbooks_____intocartoonsinthepast40years.(2013海南三亚)A.makeB.aremadeC.havemakeD.havebeenmade8.--HowoftendoIneedtofeedthedog?--It_____foodeveryday,oritwillbehungry.(2013湖北黄冈)A.mustgiveB.mustbegiveC.mustbegivenD.mustbegave9.ThankstotheInternet,differentkindsofinformation_____inashorttime.(2013安徽省)A.canbelearnedB.hasbeenlearnedC.canlearnD.haslearned10.--It’sdifficulttogettotheothersideoftheriver.--Ithinkabridge_____overtheriver.(2013山东滨州)A.shouldbebuiltB.shouldbuildC.willbuildD.hasbuiltII.用括号中所给单词的适当形式完成下列句子。1.Manynewbuildings_________________(build)since1980.2.Whentostartandwheretogocamping_____________________(notdecide)yet.3.Allthepreparationsforthetask________________(do),andwearereadytostart.4.________________(tell)themeetingwillbeputoff.havebeenbuilthavenotbeendecidedhavebeendoneIhavebeentoldⅢ根据要求完成句子。1.Teenagersshouldbeallowedtoplaywithfriendsatnight.(改为否定句)Teenagers___________________toplaywithfriendsatnight.2.Theflowersmustbewateredonceaday.(改为一般疑问句)_____theflowers__________onceaday?shouldn’tbeallowedMustbewatered3.Shouldtheclassroombecleanedontime?(作肯定回答)______________.4.Parentsshouldallowchildrentochoosetheirclothes.(改为被动语态)Children________________tochoosetheirclothes.5.Theyoungtreecanbeplantednow.(改为主动语态)We_________theyoungtreenow.Yes,itshouldshouldbeallowedcanplantHomework1.Reviewthegrammarwe’velearnedtoday.2.FinishtheexercisesinLearningEnglish.3.PreviewSpeakingonpage58.
本文标题:深圳牛津版英语八年级下册课件-U4-Grammar
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