《Unit 3 Electricity》优质课PPT课件-八年级下册英语【牛津上海版】

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【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)plantedplantmoretreesbrokenbreaka

windowheldholdameetingcutcutdowntoomanytreeswrittenwritetwobookseateneatlessmeatspokenspeakEnglishtaughtteachustoswimLooka

ndthink!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Honeyiseatenbybear

s.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Englishisspokenbytheminthew

orld.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)SimplePresentTense一般现在时usefortak

ingphotos.Peopleusecamerasfortakingphotos.PeoplebypeoplecamerasCamerasareusedusephotosNowEnglish____bymoreandmorepeopleallovertheword.A.s

peaksB.isspokenC.wasspoken一般现在时的被动语态:am/is/are+PP1.WelikeMissLinVerymuch.MissLin___________byusverymuch.2.Manyyoungp

eoplesingJayChou’songs.JayChou’ssongs__________bymanyyoungpeople.islikedaresung把下列句子改为被动语态:TheChineseheldthe2010EXPOinShanghai.inShang

hai.bytheChineseThe2010EXPOwasheldTheChinesethe2010EXPOheld(2)Simplepasttense一般过去时Thelostboy____atthestr

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

terday.Thecar_____________bythemanyesterday.2.MrSongencouragedustostudyhardlastweek.We________________tostudyhardbyMissPenglastweek.

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

oresatellitesMoresatellitewillsendupwillbesentupintospacenextyear.(3)Simplefuturetense一般将来时Manyhouses____inthefuture.A.willbuildB.will

bebuiltC.arebuilt一般将来时的被动语态:will+be+PPbegoingto+be+PP1.Thecitywillbuildthenewairportnextyear.Thenewairport___________

_____bythecitynextyear.2.OurschoolisgoingtosendtwostudentstoHongkongtostudy.Twostudents_______________

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

hehospitalbyus.shouldsendFlowers____everyday.A.mustbeenwateredB.shouldbewateredC.shouldwater含有情态动词的被动

语态:情态动词+be+PP1.Youneedn’tcleantheroomtoday.Theroom______________byyoutoday.2.Weshouldfinishourhomework

ontimeOurhomework______________byusontime.needn’tshouldbecleanedbefinished把下列句子改为被动语态:Wehavemadetwentykeys.Twenty

keyshavebeenmadebyus.PresentPerfectTense现在完成时Mostoftherivers____bynow.A.havebeenpollutedB.havepollutedC.a

repollutingPresentPerfectTense现在完成时的被动语态:have/has+been+PP1.Mikehasreadtwobooksaboutart.Twobooksaboutart____________

___byMike.2.Theyhavebuiltanicehouse.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/a

re+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(bego

ingtobe)情态动词+beSummaryhave/has+been1.Thebankrobberswerecatchedbythepolice.2.Ahousecanbemakeneasily.4.Hishomeworkisneverdid.5.Thewind

owwasbroke.3.Englishisnotteachedatthisschool.FindmistakescaughtmadetaughtdonebrokenPractice(一)1.Theworkercle

anedthosecans.Thosecans_________________________.2.Thedesignerhasfinishedthenewproducts.Thenewproducts_____________________.3.Theycan’tcookdinneralon

eathome.Dinner___________________aloneathome.4.Mr.Lipaintedthepicturetwoyearago.Thepicture_____________byMr.Litwoyearsago.5.Katewil

lpreparethetest.Thetest_____________________byKate.werecleanedbytheworkershasbeenfinishedbythedesignercan’tbecookedwaspaintedwillbepreparedPr

actice(二)Writing:ProtecttheEarthpourpollutesweepinthepastmusteverydaymakestoprecycleinthefutureclassify(分类)plantShareyourworkwithus!Sharing!B

ebrave!Weonly____________________(一个地球).Weshould___________________(用心呵护它).Howerever,inthepast,theland______________(pollute).Dirtywat

er______________(pour)intotheriversandlakes.haveoneearthlookafteritcarefullywaspollutedwaspouredInordertoimprovethe__

___________(环境),thelawsmust____________(make),andallkindofpollutionsmust__________(stop).Wehavetakenactions.Everyday,thestreets____________

__(sweep)bythe_________(清洁工),someusefulmaterials____________(recycle).environmentbemadebestoppedaresweptcleanersrecycledIn

thefuture,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.Thebasicstructursof

thepassivevoice.2.Thevariousformsofthepassivevoice.3.Howtousethisgrammarcorrectly.WriteashortpassageThepast,the

presentandthefutureofourcity!HomeworkClassisover!Seeyounexttime!

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