九年级英语上册Module4GreatInventionsUnit3Languageinuse外研版.ppt

九年级(上册)Module4,Unit3Languageinuse,Languagepractice,Paperandprintinghavebeenusedforages.Thebatteryhasntbeenchangedforacoupleofmonths.Hasitbeenpublishedyet?,现在完成时的被动语态:have/has(not)been+过去分词,InformationcanbekeptonCD-ROMs.Bookscouldonlybeproducedoneatatime.Canbooksbereplacedbycomputers?,情态动词的被动语态:情态动词(not)+be+过去分词,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。,Conclusion(一),一般现在时amisare+动词的过去分词一般过去时waswere+动词的过去分词情态动词aux.v.(mustcancouldmay+be+动词的过去分词,被动语态的构成:be+动词的过去分词,现在进行时be(am、is、are)+being+动词的过去分词一般将来时willbebegoingtobe+动词的过去分词现在完成时havehas+been+动词的过去分词,am/is/are+done,was/were+done,am/is/arebeing+done,was/werebeing+done,shall/willbe+done,wouldbe+done,have/hasbeen+done,hadbeen+done,主动语态如何改成被动语态？,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。dobedone3.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:tofor.,Conclusion(二),如:givebegivento此类动词还有:passshowsend再如:buybeboughtfor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、appear、disappear,1.Myunclegavemeagiftonmybirthday.2.Weoftenhearhimplaytheguitar,Iwasgivenagiftonmybirthday.Agiftwasgiventomeonmybirthday.Heisoftenheardtoplaytheguitar,几种特殊结构,注意:see,watch,hear,notice,feel,make,listento,lookat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to。,ArecorderisusedinourEnglishclasseveryday.,Letspractice!,recorderEnglishclass,usefor,oftenplay,Footballisplayedallovertheworld.,Acameraisusedfortakingphotos.,robyesterday,Aman-madesatellitewassentupintospacelastyear.,Abankwasrobbedyesterday.,mustplant,coverwith,inafewyearstime,Thetreesmustbeplantedontheground.,Thegroundwillbecoveredwithtreesinafewyearstime.,atallgivesoon,Theywillbesenttothehospitalrightnow.,Atalkwillbegivensoon.,dig,Theearthisbeingdugnow.,Thefoodhasbeeneatenupalready.,Exercises,Completethesentenceswiththecorrectformofthewords.,1.Ithinkonedaybooksmay_(place)bycomputers.2.Mybike_(leave)atschool,soIhavetotakethebustoschooltoday.3.Thebattery_(charge)yet.HowcanIusemyrecorder?,wasleft,hasntbeencharged,beplaced,4.Papershouldnot_(throw)away.5.BooksandCDscan_(borrow)fromthelibrary.6.IveboughtanMP3playerandabout1,000songshave_(download)ontoit!,beborrowed,bethrown,beendownloaded,7.Hasthepen_(mend)yet?Ineedtowritemyarticlewithit.8.Whathave_(turnon)?Theradio?,beenturnedon,beenmended,1.What/use/tomakepapersincethe19thcentury?Whathasbeenusedtomakepapersincethe19thcentury?a)Woodb)Silkc)Cotton,Completethequizquestionsandchoosethecorrectanswer.,2.Where/thestoryofRomeoandJuliet/set?WhereisthestoryofRomeoandJulietset?a)InNewYorkb)InAthensc)InLondon,3.where/theworldsoldestpaper/discover?Wherewastheworldsoldestpaperdiscovered?a)InIndiab)InChinac)InEgypt4.Howlong/computers/use?Howlonghavecomputersbeenused?a)Forlessthan50years.b)For50yearsc)Formorethan50years,Makequestionsandwriteanswers.,What/shouldnt/do/withbatteries?(throwaway),-Whatshouldntbedonewithbatteries?-Theyshouldntbethrownaway.,1.what/can/use/tomakepaper?(manythings),Whatcanbeusedtomakepaper?Manythingscanbeused(tomakepaper).,2.what/might/use/toreplacebooksoneday?(computers),Whatmightbeusedtoreplacebooksoneday?Computersmightbeused(toreplacebooksoneday).,3.where/can/music/keep?(onMP3players),Wherecanmusicbekept?ItcanbekeptonMP3players.,Completethepassagewiththecorrectformofthewords.,Fromabout500BC,pens_forwriting.Thefeathersoflargebirds_anddried.Thepointofeachfeatherwassharpened.,call,clean,develop,introduce,invent,produce,spread,use,write,wereused,werecleaned,Thenpeopleusedthemtowritewithink.Manyfamousworks,suchasShakespearesplays,_withthesepens.Theninthe18thcentury,apenwithasteelwritingpoint_.Onlyafewwordscould_,however,beforethewriterhadtofillthepenwithinkagain.,werewritten,wasinvented,beproduced,Manyyearslater,thefountainpen_fromtheseearlypens.In1950,aEuropeaninventedtheballpointpen.Thepopularityofwriting_quicklywiththe_oftheballpointpen.Eventoday,ballpointpenaremuchlessexpensive,comparedwithfountainpens.,spread,wasdeveloped,introduction,Workinpairs.Listenandsaywherethespeakeris.Givereasonsforyouranswer.,a)Inalibrary.b)IntheBritishLibrary.c)IntheBritishMuseum.,Listenagainandanswerthequestions.,1.Whydidittakealongtimetoproduceabookinancienttimes?Becauseeachonewaswrittenbyhand.2.Whydomanyoldbookshavetobekeptawayfromthepublic?Becausetheyhavetobekeptsafelyawayfromdanger.,3.Howhastheinventionofthecomputerhelpedtomakethesebookseasierforpeopletoread?Theancientbooksaredownloadedontoacomputersoeveryonecanreadthem.,4.Howcanthepagesofabookonacomputerbeturned?Bypressingabutton.,Completethesentenceswiththephrasesinthebox.,1.CouldyouimagineadigitalimageofYaoMingonthewall_aposter?,ratherthan,byhand,forages,fromnowon,ratherthan,2.Thingsmade_areusuallymoreexpensivethanthoseproducedinfactories.3.Ihaventseenmybestfriend_!4.Wereusingtoomuchpaper._,Imgoingtoreadallmymagazinesonline.,byhand,Fromnowon,forages,请阅读Aroundtheworld部分的“E-book”，选择最佳答案。()1.E-bookswereinvented_.A.in1990B.fortenyearsC.inthe1990sD.twentyyearsago,C,()2.WhichofthefollowingisNOTmentionedinthepassage?A.Ifyouhaveane-book,youcanwriteonit.B.Weshouldbuymoree-bookstosavepaper.C.E-bookswillbemoreconvenient.D.Maybetherewillbemoree-booksinthefuture.,B,()3.Thoughe-booksarefarmoreadvancedthanpaperbooks,notmanypeoplebuythembecause_.A.theyrehardforpeopletouseB.theyrenotascheapaspaperbooksC.therearentenoughe-booksD.peopledontknowwheretobuythem,B,()4.Themostadvancede-booktodayisabout_kg.A.0.18B.0.12C.0.02D.0.62()5.Whatwillthefuturee-booksbelike?A.Theywillbemorepopular.B.Theywillbelikepaperbooks.C.Theywillbemoreexpensive.D.Theywillbethicker.,D,A,Moduletask:,Discussinghowtoimproveinventions,巩固练习I.请根据汉语意思,完成句子(每空一词)。1.从现在起我要开始写书了。_,Iwillbegintowritemybook.2.你的衬衫真好看,是棉的吧？Yourshirtl