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2019-2020年九年级英语上册Module4GreatInventionsUnit3Languageinuse精品教案外研版课题Module4GreatInventionsUnit3Languagepractice教学目标德育目标Toknowaboutsomegreatinventions知识目标Topracticetheuseofpassivevoice能力目标Topleteataskabout“Howtoimproveinventions”重点被动语态情态动词的被动语态情态动词(not)+be+过去分词现在完成时——have/has+been+动词的过去分词难点情态动词的被动语态情态动词(not)+be+过去分词现在完成时——have/has+been+动词的过去分词课型Revisionandapplication教法FormalandinteractivepracticesLanguagepractice现在完成时的被动语态have/has(not)been+过去分词Paperandprintinghavebeenusedforages.Thebatteryhasn’tbeenchangedforacoupleofmonths.Hasitbeenpublishedyet情态动词的被动语态情态动词(not)+be+过去分词InformationcanbekeptonCD-ROMs.Bookscouldonlybeproducedoneatatime.CanbooksbereplacedbyputersConclusionI当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时,或者只需强调动作的承受者时,要用被动语态被动语态主语是动作的承受者被动语态的构成be+动词的过去分词一般现在时——am/is/are+动词的过去分词一般过去时——was/were+动词的过去分词情态动词——aux.v.must/can/could/may…+be+动词的过去分词现在进行时——beam、is、are+being+动词的过去分词一般将来时——willbe/begoingtobe+动词的过去分词现在完成时——have/has+been+动词的过去分词时态被动语态结构一般现在时 am/is/aredone一般过去时 was/weredone现在进行时 am/is/arebeingdone过去进行时 was/werebeingdone一般将来时 Willbedone过去将来时 Wouldbedone现在完成时 Have/hasbeendone过去完成时 Hadbeendone主动语态如何改成被动语态?
1.主动语态的宾语改成被动语态的主语
2.主动语态的谓语动词改成被动语态的谓语动词do----bedone
3.注意保持时态和人称的一致
4.带双宾的谓语动词有两种改法当把直接宾语改成主语时,谓语动词后必须加适当的介词:to/for.如give--begivento此类动词还有passshowsend…再如buy---beboughtfor此类动词还有makedrawcookmend…
5.一些动词不定式在主动语态中省略to作宾语补足语,改成被动语态时,to必须还原注:
1.不及物动词(vi.不用被动语态如:happen、takeplace、appeardisappear…没有被动形式**几种特殊结构
1.Myunclegavemeagiftonmybirthday.----•Iwasgivenagiftonmybirthday.•Agiftwasgiventomeonmybirthday.
2.Weoftenhearhimplaytheguitar.•Heisoftenheardtoplaytheguitar•注意seewatchhearnoticefeelmakelistentolookat等动词/短语后作宾语补语的不定式都不带to;但改成被动语态后必须带toExercises
1.pletethesentenceswiththecorrectformofthewords.
1.Ithinkonedaybooksmay___________placepletely.
2.Mybike_____________leaveatschoolsoIhavetotakethebustoschooltoday.
3.Thebattery___________________chargeyet.HowcanIusemyrecorder.
4.Papershouldnot_________throwaway.
5.Booksandothermaterialcan_____________borrowfromthelibrary.
6.I’veboughtasecond-handMP3player—andabout1000songshave___________downloadontoit!
7.Hastheputer________________repairyetIneedtowritemyarticlewithit.
8.Whathave________________turnonTheradio.
2.Workinpairs:pletethequizquestionsandchoosethecorrectanswer.
1.Who/pyramids/build----WhowerethepyramidsbuiltbyaTheEgyptiansbTheAncientGreekscTheRomans
2.What/use/tomakepapersincethe19thcenturyaWoodbSilk cCotton
3.Where/thestoryofRomeoandJuliet/setaInNewYorkbInAthenscInLondon
4.Where/theworld’soldestbookprintedonpaper/discoveraInIndiabInChinacInEgypt
5.Howlong/puters/useaForlessthan50years.bFor50yearscFormorethan
503.Makequestionsandwriteanswers.What/shouldn’t/do/withpaperwaste-------Whatshouldn’tbedonewithpaper--Itshouldn’tbewasted.
1.what/can/use/tomakepapermanythings
2.What/might/use/toreplacebooksonedayputers
3.how/must/printers/keepingoodconditions
4.Where/can/music/keeponMP3players
4.Lookatthepicturesanddescribehowtheplacehaschanged.Usethesewords:addchangeopenpaintputturnontakeaway
5.pletethepassagewiththecorrectformofthewords.callcleandevelopintroduceinventproducespreadusewriteFromabout500BCpens__________forwriting.Thefeathersoflargebirds___________anddried.Thepointofeachfeatherwassharpened.Thenpeopleusedthemtowritewithink.ManyfamousworkssuchasShakespeare’splays___________withthesepens.Theninthe18thcenturyApenwithasteelwritingpoint____________Onlyafewwordscould__________howeverbeforethewriterhadtofillthepenwithinkagain.Manyyearslaterthefountainpen____________fromtheseearlypens.In1950aEuropeancalledLaszloBiroinventedtheballpointpen.Thepopularityofwriting_________quicklywiththe___________oftheballpointpen.EventodayballpointpenorBirosasthey_____________aremuchlessexpensiveparedwiththefountainpens.6--7ListeningPractice
8.pletethesentenceswiththephrasesinthebox.byhandforagesfromnowonIwonderratherthan
1.CouldyouimagineadigitalimageofYaoMingonthewall_____________aposter
2.Thingsmade_____________areusuallymoreexpensivethanthoseproducedinfactories.
3.____________howoldbooksareactuallydownloadedontoputers…
4.Ihaven’tseenmybestfriend________________!
5.We’reusingtoomuchpaper.____________I’mgoingtoreadallmymagazinesonline.AroundtheworldE-bookModuletaskDiscusshowtoimproveinventionsHomework:Finishofftheworkbookexercises。