【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）plantedplantmore

treesbrokenbreakawindowheldholdameetingcutcutdowntoomanytreeswrittenwritetwobookseateneatlessmeatspokenspea

kEnglishtaughtteachustoswimLookandthink!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Honeyiseatenbybears.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E

nglishisspokenbythemintheworld.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T

heStructure(1)SimplePresentTense一般现在时usefortakingphotos.Peopleusecamerasfortakingphotos.PeoplebypeoplecamerasCamerasareusedusep

hotosNowEnglish____bymoreandmorepeopleallovertheword.A.speaksB.isspokenC.wasspoken一般现在时的被动语态：am/is/are+PP1.WelikeMissLinVe

rymuch.MissLin___________byusverymuch.2.ManyyoungpeoplesingJayChou’songs.JayChou’ssongs__________bymanyyoungpeople.is

likedaresung把下列句子改为被动语态：TheChineseheldthe2010EXPOinShanghai.inShanghai.bytheChineseThe2010EXPOwasheldTheChinesethe2010EXPOheld(2)Simplepasttense一般

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

ryesterday.Thecar_____________bythemanyesterday.2.MrSongencouragedustostudyhardlastweek.We________________tostudyh

ardbyMissPenglastweek.wasrepairedwereencouraged把下列句子改为被动语态：sendupnextyearScientistswillsendupmoresatellitesintospace

nextyear.ScientistsbyscientistsmoresatellitesMoresatellitewillsendupwillbesentupintospacenextyear.(3)Sim

plefuturetense一般将来时Manyhouses____inthefuture.A.willbuildB.willbebuiltC.arebuilt一般将来时的被动语态：will+be+PPbegoingto+be+PP1.Thecitywi

llbuildthenewairportnextyear.Thenewairport________________bythecitynextyear.2.OurschoolisgoingtosendtwostudentstoHongkongtostudy.Twostudents_______

_____________toHongkongtostudybyourschool.willbearebebuiltgoingtosent把下列句子改为被动语态：Modalverb:should……..Weshouldsendthemtothehospital.Theysho

uldbesenttothehospitalbyus.shouldsendFlowers____everyday.A.mustbeenwateredB.shouldbewateredC.shouldwater含有情态动词的被动语态：情态动词+be+P

P1.Youneedn’tcleantheroomtoday.Theroom______________byyoutoday.2.WeshouldfinishourhomeworkontimeOurhomework______________byusontime.needn’ts

houldbecleanedbefinished把下列句子改为被动语态：Wehavemadetwentykeys．Twentykeyshavebeenmadebyus.PresentPerfectTense现在完成

时Mostoftherivers____bynow.A.havebeenpollutedB.havepollutedC.arepollutingPresentPerfectTense现在完成时的被动语态：have/has+been+PP1.Mikehasreadtwobooksa

boutart.Twobooksaboutart_______________byMike.2.Theyhavebuiltanicehouse.Anicehouse________________bythem.havehas把下列句子改为被动语态：beenbuiltb

eenread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/werewillbe(begoingtobe)情态动词+beSummaryhave/has+been1.Thebankrobberswerecatchedbythepolice.2.Ahousecanbemakene

asily.4.Hishomeworkisneverdid.5.Thewindowwasbroke.3.Englishisnotteachedatthisschool.FindmistakescaughtmadetaughtdonebrokenPractice（一）1.Theworker

cleanedthosecans.Thosecans_________________________.2.Thedesignerhasfinishedthenewproducts.Thenewproducts_____________________.3.Theyc

an’tcookdinneraloneathome.Dinner___________________aloneathome.4.Mr.Lipaintedthepicturetwoyearago.Thepicture____

_________byMr.Litwoyearsago.5.Katewillpreparethetest.Thetest_____________________byKate.werecleanedbytheworkershasbeenfinishedbythedesignercan’tb

ecookedwaspaintedwillbepreparedPractice（二）Writing:ProtecttheEarthpourpollutesweepinthepastmusteverydaymake

stoprecycleinthefutureclassify(分类)plantShareyourworkwithus!Sharing!Bebrave!Weonly____________________(一个地球).Weshould__

_________________(用心呵护它).Howerever,inthepast,theland______________(pollute).Dirtywater______________(pour)intotheriversandlakes.haveonee

arthlookafteritcarefullywaspollutedwaspouredInordertoimprovethe_____________(环境)，thelawsmust____________(make),andallkindofpollutionsmust_________

_(stop).Wehavetakenactions.Everyday,thestreets______________(sweep)bythe_________(清洁工)，someusefulmaterials____________(recy

cle).environmentbemadebestoppedaresweptcleanersrecycledInthefuture,rubbish_________________(classisy),andmoreandmoretrees___

______________(plant).Ifwe____________________(尽我们最大努力)，Ibelieveourlifewillbe_______________________(更美好)！willbeclassifiedwillb

eplantedtryourbestmorewonderful设疑(下面如何变被动）Hemademecleantheroomeveryday.Summary1.Thebasicstructursofthepassivevoice.2.Thevariousformsofth

epassivevoice.3.Howtousethisgrammarcorrectly.WriteashortpassageThepast,thepresentandthefutureofourcity!HomeworkClassisover!Seeyounexttim

e!