【文档说明】《Unit 3 Electricity》优质课PPT课件-八年级下册英语【牛津上海版】.ppt，共(39)页，2.345 MB，由小喜鸽上传

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ThePassiveVoiceRevision1,plant2,break3,hold4,cut5,write6,eat7,speak8,teachChangetheverbsintoPP(过去分词）plantedpl

antmoretreesbrokenbreakawindowheldholdameetingcutcutdowntoomanytreeswrittenwritetwobookseateneatlessmeatspokenspeakEngl

ishtaughtteachustoswimLookandthink!workercuttrees关系?执行者承受者LearningObjectives教学目标:1、掌握被动语态的构成。2、会将主动语态变成被动语态。3、能正确运用被动语态。教学重点：如何

将主动语态变成被动语态教学难点：灵活正确运用被动语态。语态：表示主语和谓语动词之间的关系。Voicevoice主动语态被动语态表示主语是动作的执行者。表示主语是动作的承受者。主动语态Bearseathoney.主语bears是动词eat的执行者。主语谓语宾语被动语态Honeyiseatenby

bears.主语honey是动词eat的承受者。主语谓语介宾主动变被动的方法:TheyspeakEnglishintheworld.主谓宾①②③④总结:主动语态被动语态宾语→谓语→主语→其他→照抄主语be+P.P(过去分词)by+宾语Engli

shisspokenbythemintheworld.③②①④主动语态变被动语态口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。S+be+P.P(过去分词）.被动语态的基本结构:be有各种时态的变化TheStructure(1)SimplePresent

Tense一般现在时usefortakingphotos.Peopleusecamerasfortakingphotos.PeoplebypeoplecamerasCamerasareusedusephotosNowEnglish____bymoreandmor

epeopleallovertheword.A.speaksB.isspokenC.wasspoken一般现在时的被动语态：am/is/are+PP1.WelikeMissLinVerymuch.MissLin___________byusverymuch.2.Manyyou

ngpeoplesingJayChou’songs.JayChou’ssongs__________bymanyyoungpeople.islikedaresung把下列句子改为被动语态：TheChineseheld

the2010EXPOinShanghai.inShanghai.bytheChineseThe2010EXPOwasheldTheChinesethe2010EXPOheld(2)Simplepasttense一般过去时T

helostboy____atthestreetcornerlastnight.A.wasfoundB.isfoundC.waslookedfor一般过去时的被动语态：was/were+PPtask1.Themanrepairedthecaryesterday.Thec

ar_____________bythemanyesterday.2.MrSongencouragedustostudyhardlastweek.We________________tostudyhardbyMissPen

glastweek.wasrepairedwereencouraged把下列句子改为被动语态：sendupnextyearScientistswillsendupmoresatellitesintospacenextyear.Scientistsbyscientis

tsmoresatellitesMoresatellitewillsendupwillbesentupintospacenextyear.(3)Simplefuturetense一般将来时Manyhouses____inthefut

ure.A.willbuildB.willbebuiltC.arebuilt一般将来时的被动语态：will+be+PPbegoingto+be+PP1.Thecitywillbuildthenewairportnextyear.Thenewairport______________

__bythecitynextyear.2.OurschoolisgoingtosendtwostudentstoHongkongtostudy.Twostudents____________________toHongkongtostudybyourschool.wil

lbearebebuiltgoingtosent把下列句子改为被动语态：Modalverb:should……..Weshouldsendthemtothehospital.Theyshouldbesenttothehospitalbyus.shouldsendFlowers

____everyday.A.mustbeenwateredB.shouldbewateredC.shouldwater含有情态动词的被动语态：情态动词+be+PP1.Youneedn’tcleanth

eroomtoday.Theroom______________byyoutoday.2.WeshouldfinishourhomeworkontimeOurhomework______________byusontime.needn’tshouldbecleanedbefinished把下列句子

改为被动语态：Wehavemadetwentykeys．Twentykeyshavebeenmadebyus.PresentPerfectTense现在完成时Mostoftherivers____bynow.A.havebeenpollutedB.havepoll

utedC.arepollutingPresentPerfectTense现在完成时的被动语态：have/has+been+PP1.Mikehasreadtwobooksaboutart.Twobooksaboutart_______________byMike.2.Theyhavebuilt

anicehouse.Anicehouse________________bythem.havehas把下列句子改为被动语态：beenbuiltbeenread一般现在时：一般过去时：一般将来时：情态动词：现在完成

时：S+am/is/are+PP(过去分词)S+modalverb+be+PP(过去分词)S+will+be+PP(过去分词)S+have/has+been+PP(过去分词)S+was/were+PP(过去分词)各种时态的被动语态结构be+PPam/is/arewas/werewill

be(begoingtobe)情态动词+beSummaryhave/has+been1.Thebankrobberswerecatchedbythepolice.2.Ahousecanbemakeneasily.4.Hishomeworkisneverdid.5.The

windowwasbroke.3.Englishisnotteachedatthisschool.FindmistakescaughtmadetaughtdonebrokenPractice（一）1.Theworkercleanedthosecans.T

hosecans_________________________.2.Thedesignerhasfinishedthenewproducts.Thenewproducts_____________________.3.Th

eycan’tcookdinneraloneathome.Dinner___________________aloneathome.4.Mr.Lipaintedthepicturetwoyearago.Thepicture_____________byMr.Litwo

yearsago.5.Katewillpreparethetest.Thetest_____________________byKate.werecleanedbytheworkershasbeenfinishedbythedesign

ercan’tbecookedwaspaintedwillbepreparedPractice（二）Writing:ProtecttheEarthpourpollutesweepinthepastmusteverydaymakestopr

ecycleinthefutureclassify(分类)plantShareyourworkwithus!Sharing!Bebrave!Weonly____________________(一个地球).Weshould___________________(用心呵

护它).Howerever,inthepast,theland______________(pollute).Dirtywater______________(pour)intotheriversandl

akes.haveoneearthlookafteritcarefullywaspollutedwaspouredInordertoimprovethe_____________(环境)，thelawsmus

t____________(make),andallkindofpollutionsmust__________(stop).Wehavetakenactions.Everyday,thestreets______________(sweep)bythe

_________(清洁工)，someusefulmaterials____________(recycle).environmentbemadebestoppedaresweptcleanersrecycledInthefuture,rubbish____

_____________(classisy),andmoreandmoretrees_________________(plant).Ifwe____________________(尽我们最大努力)，Ibelieveourlifewillbe__

_____________________(更美好)！willbeclassifiedwillbeplantedtryourbestmorewonderful设疑(下面如何变被动）Hemademecleantheroomeveryday.Summary1.Thebasi

cstructursofthepassivevoice.2.Thevariousformsofthepassivevoice.3.Howtousethisgrammarcorrectly.WriteashortpassageThepast,thepresentandthefut

ureofourcity!HomeworkClassisover!Seeyounexttime!