43现在完成时被动语态

Unit3Grammar现在完成时的被动语态：thepresentperfectpassivevoiceS+have/hasbeen+done(过去分词)复习现在完成时•一结构：have/has+v-ed•二用法：•1.过影响现（过去已经发生的动作对现在造成的影响）•Ihavefalleninlovewithher.•Ihavelostmyexercisebook.•2.过持到现（过去已经发生的动作一直持续到现在。）•Ihavebeenastudentfortenyears.present(now)futurepast现在完成时(presentperfecttense)domyhomework常与现在完成时连用的时间副词或介词1过影响现三标志语：常与already(已经),yet(已经),just(刚刚),ever(曾经)等词连用.yet常置于句末already,never,ever,just一般置于助动词have/has之后，过去分词之前。2过持到现for+一段时间since+时间点;since+从句常用于现在完成时的时间副词,介词:already(已经):用于肯定句Ihavealreadypostedtheletter.yet(已经):用于否定句,疑问句Hehasn’tdonehishomeworkyet.just(刚刚)Theyhavejustleft.ever(曾经)HaveyoueverbeentoBeijing?never(从不)Ihaveneverseenhim.since(自从…以来)I’veworkedintheschoolsince1999.for(长达)He’slivedinShenzhenfor6years.用所给动词的适当形式填空1.I____(wait)forhimfortwohours.Iamveryangry.2.He_____(be)adoctorsincehewastwenty.3.Thefilm____(be)onforfifteenminutes.4.____youever____(read)thatbookbefore?5.____youever____(try)tochangeher?6.Noone____(arrive)hereyet.现在完成时的被动语态一：结构：现在完成时的被动语态have/has+v-edbe+v-edbeen+v-ed二用法：1.过影响现（过去已经发生的动作对现在造成的影响）Ihavebeenbeatenbymyfathertwice.2.过持到现（过去已经发生的动作一直持续到现在。）3.主语为动作的承受者（及主语被……）三标志语——同现在完成时for，since，already，ever，yet，just，neverWorkershavebuiltthehousesincetwoyearsago.sincetwoyearsago.Exercise1:Changethesentencesintothepresentperfectpassivevoice把这句话改为现在完成时的被动语态。动作的执行者动作的承受者谓语动词Thehousehasbeenbuiltbyworkers现在完成时(presentperfecttense)的被动语态：S+have/has+been+done(过去分词)1OvertimeIhavebeenchangedquitealot.2FirstasaPCandthenasalaptopIhavebeenusedinofficesandhomessincethe1970s.3…IneverforgetanythingIhavebeentold!4Sincethe1970smanynewapplicationshavebeenfoundforme.5Ihavealsobeenputintorobotsandusedtomakemobilephones…6IhaveevenbeenputintospacerocketsandsenttoexploretheMOonandMars.Discoveringusefulstructuresfromthepassageonp18:1Wehavereceivedmanyletterssincelastweek.Manylettershavebeenreceivedsincelastweek.Changethesentencesintothepresentperfectpassivevoice把下面句子改成现在完成时的被动语态。2Myfriendhasboughtanewpersonalcomputer.Anewpersonalcomputerhasbeenboughtbymyfriends•3Theshophasrepairedmycomputerveryquickly.Mycomputerhasbeenrepairedbytheshopveryquickly.ChangethesentencesintothepresentperfectpassivevoiceThebuildings,destroy,intheearthquakeThebuildingshavebeendestroyedintheearthquake;•Exercise2:Makingupsentencesusingpresentperfectpassivevoice:machinereplacecomputer1Themachinehasbeenreplacedbythecomputer.•Makingupsentencesusingpresentperfectpassivevoice:newbridge,build,inourcity2Anewbridgehasbeenbuiltinourcitymanytrees,plant,alongtheroad3ManytreeshavebeenplantedalongtheroadPuttheChineseintoEnglishtocompletethesentences.1.Howmanyworkers_____________(已派遣)tobuildtherailway?2.—WhydoesMarylooksounhappy?—She_________________(被嘲笑)byherclassmates.havebeensenthasbeenlaughedatExercise3完成句子:3.Itissaidthatthehouse___________________(闯进了)bytwothieves.4.Where____thetelevision______________(已经修理了)?5.What__________________(已被译成)intomanyforeignlanguages?hasbeenrepairedbrokenintohasbeenhasbeentranslated1现在完成时的被动语态S+have/hasbeen+done(过去分词)2一般现在时的被动语态：•S+am/is/are+done(过去分词)3一般过去时的被动语态：•S+was/were+done(过去分词)4情态动词的被动语态：•S+can/may/must/should+be+done5一般将来时的被动语态S+willbe+done总结Homework1必修2巩固提升课时训练8Ⅱ2翻译1）当你搬到一个新地方的时候可能会遇到困难。(arise)2）他编造了一个故事来证明他是对的。(makeup,prove)3）毕竟他已经不是个小孩，所以他应该为他所做的事情负责任的。(afterall)4）就我个人而言，没有他的帮助，我不可能成功。(personally)3今日一句这首歌已经被翻译成了二十多种外语。Thissonghasbeentranslatedintomorethan20foreignlanguages.1、当你搬到一个新地方的时候可能会遇到困难。(arise)2、他编造了一个故事来证明他是对的。(makeup,prove)3、毕竟他已经不是个小孩，所以他应该为他所做的事情负责任的。(afterall)4、就我个人而言，没有他的帮助，我不可能成功。(personally)Difficultymayarisewhenyoumovetoanewplace.Hemadeupastorytoprovethathewasright.Afterall,heisnotachildanymore,soheshouldberesponsibleforwhathedoes.Personally,Ican'tbesuccessfulwithouthishelp.……makeit…………succeed……