九年级英语上册 Module 4 Great Inventions Unit 3 Language in use课件 外研版.pptVIP

九年级 上册 module4 unit3languageinuse languagepractice paperandprintinghavebeenusedforages thebatteryhasn tbeenchangedforacoupleofmonths 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 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 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 willbe begoingtobe 动词的过去分词现在完成时 have has 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 do bedone3 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 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 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 let spractice recorderenglishclass use for oftenplay footballisplayedallovertheworld acameraisusedfortakingphotos robyesterday aman madesatellitewassentupintospacelastyear abankwasrobbedyesterday mustplant coverwith inafewyears time thetreesmustbeplantedontheground thegroundwillbecoveredwithtreesinafewyears time atallgivesoon theywillbesenttothehospitalrightnow atalkwillbegivensoon dig theearthisbeingdugnow thefoodhasbeeneatenupalready exercises completethesentenceswiththecorrectformofthewords 1 ithinkonedaybooksmay place bycomputers 2 mybike leave atschool soihavetotakethebustoschooltoday 3 thebattery charge yet howcaniusemyrecorder wasleft hasn tbeencharged beplaced 4 papershouldnot throw away 5 booksandcdscan borrow fromthelibrary 6 i veboughtanmp3player andabout1 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 theworld soldestpaper discover wherewastheworld soldestpaperdiscovered a inindiab inchinac inegypt4 howlong computers use howlonghavecomputersbeenused a forlessthan50years b for50yearsc formorethan50years makequestionsandwriteanswers what shouldn t do withbatteries throwaway whatshouldn tbedonewithbatteries theyshouldn tbethrownaway 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 suchasshakespeare splays 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 ihaven tseenmybestfriend 4 we reusingtoomuchpaper i mgoingtoreadallmymagazinesonline 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 they rehardforpeopletouseb they renotascheapaspaperbooksc therearen tenoughe booksd peopledon tknowwheretobuythem 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 y