九年级英语上册 Module 4 Unit 3 Language in use同步授课课件 外研版.ppt

module4greatinventionsunit3languageinuse languagepractice paperandprintinghavebeenusedforages thebatteryhasn tbeenchangedforacoupleofmonths hasitbeenpublishedyet informationcanbekeptoncd roms bookscouldonlybeproducedoneatatime canbooksbereplacedbycomputers 现在完成时的被动语态 have has not been 过去分词 情态动词的被动语态 情态动词 not be 过去分词 conclusion 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 一般将来时 willbe begoingtobe 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 be am is are being 动词的过去分词 现在完成时 have has been 动词的过去分词 被动语态的构成 be 动词的过去分词 被动语态 主语是动作的承受者 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 一 表格 被动语态基本结构 am is aredone was weredone am is arebeingdone was werebeingdone shall willbedone wouldbedone have hasbeendone hadbeendone conclusion 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 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 二 bedone 注 1 不及物动词 vi 不用被动语态 如 happen takeplace appear disappear 几种特殊结构1 myunclegavemeagiftonmybirthday 2 weoftenhearhimplaytheguitar iwasgivenagiftonmybirthday agiftwasgiventomeonmybirthday heisoftenheardtoplaytheguitar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 use for oftenplay footballisplayedallovertheworld acameraisusedfortakingphotos let spractice robyesterday aman madesatellitewassentupintospacelastyear abankwasrobbedyesterday let spractice mustplant coverwith inafewyears time thetreemustbeplantedontheground thegroundwillbecoveredwithtreesinafewyears time let spractice sendto rightnow atalkgivesoon theywillbesenttothehospitalrightnow atalkwillbegivensoon dig theearthisbeingdugnow thefoodhasbeeneatenupalready exercises completethesentenceswiththecorrectformofthewords 1 ithinkonedaybooksmay place completely 2 mybike leave atschool soihavetotakethebustoschooltoday 3 thebattery charge yet howcaniusemyrecorder 4 papershouldnot throw away 5 booksandothermaterialcan borrow fromthelibrary 6 i veboughtasecond handmp3player andabout1 000songshave download ontoit 7 hasthecomputer repair yet ineedtowritemyarticlewithit 8 whathave turnon theradio beborrowed hasbeenleft hasn tbeencharged bethrown beplaced beendownloaded beenturnedon beenrepaired completethequizquestionsandchoosethecorrectanswer 1 who pyramids build whowerethepyramidsbuiltby a theegyptiansb theancientgreeksc theromans2 what use tomakepapersincethe19thcentury whatwasusedtomakepapersincethe19thcentury a woodb silkc cotton exercises 3 where thestoryofromeoandjuliet set wherewasthestoryofromeoandjulietset a innewyorkb inathensc inlondon4 where theworld soldestbookprintedonpaper discover a inindiab inchinac inegypt5 howlong computers use a forlessthan50yearsb for50yearsc formorethan50years makequestionsandwriteanswers what shouldn t do withpaper waste whatshouldn tbedonewithpaper itshouldn tbewasted what can use tomakepaper manythings what might use toreplacebooksoneday computers how must printers keep ingoodconditions where can music keep onmp3players exercises howhastheplacechanged usethesewords add change open paint put turnon takeaway thewindowthecapthelightthebasketballthesweaterthepaintingtwochairsthebooksthedishes have hasbeen completethepassagewiththecorrectformofthewords fromabout500bc pens forwriting thefeathersoflargebirds anddried thepointofeachfeatherwassharpened thenpeopleusedthemtowritewithink manyfamousworks suchasshakespeare splays withthesepens theninthe18thcentury apenwithasteelwritingpoint onlyafewwordscould however beforethewriterhadtofillthepenwithinkagain manyyearslater thefountainpen fromtheseearlypens in1950 aeuropeancalledlaszlobiroinventedtheballpointpen thepopularityofwriting quicklywiththe oftheballpointpen eventoday ballpointpen orbiros asthey aremuchlessexpensive comparedwiththefountainpens wereused werecleaned werewritten wasinvented call clean develop introduce invent produce spread use write spread wasdeveloped arecalled introduction wereproduced exercises completethesentenceswiththephrasesinthebox 1 couldyouimagineadigitalimageofyaomingonthewall aposter 2 thingsmade areusuallymoreexpensivethanthoseproducedinfactories 3 howoldbooksareactuallydownloadedontocomputers 4 ihaven tseenmybestfriend 5 we reusingtoomuchpaper i mgoingtoreadallmymagazinesonline ratherthan byhand fromnowon forages byhand forages fromnowon iwonder ratherthan iwonder exercises aroundtheworld e bookaswecansendmailbyemail wecanreadbooksbye booknow e booksfirstappearedinthe1990sandhavemadegreatimprovementintechnology notescanbewrittenonthee book newbookscanbeeasilydownloadedfromtheinternet andit smucheasierandquickertosearchforpassages what smore alotofpaperwillbesaved nowadays themostadvancede bookisabout620g 18cmlong 12cmwideand2cmthick itlookslikearealbook butthee bookismoreexpensivethanpaperbooks sonotmanypeoplecanaffordit however withtherapidprogressofelectronictechnology thee bookwillbecomemoreconvenientandcheaper itissaidthatinthenearfuture therewillbemoree booksthanpaperbooks moduletask discusshowtoimproveinventions i 用所给动词的正确形式填空 1 apianoconcert give inthehalllastfriday 2 theflowers water bydammingalready 3 starscan t see inthedaytime 4 thesmallriver dry upsincelastyear 5 sofar manyman madesatellites send upintospace wasgiven havebeenwatered beseen hasdried havebeensent 课时达标 6 myfather teach computerscienceinauniversity 7 thehardtaskcan t finish intwomonths 8 knives use forcuttingthings 9 lingling ask bettytoattendherbirthdaypartyyesterday 10 canthemagazine take outofthelibrary teaches befinished areused asked betaken ii 改写下面的句子 使句意不变 每空一词