高中英语 第三单元 现在完成时的被动语态课件1 新人教版必修2 课件VIP免费

HowmanyHarryPorterbookshasJ.K.Rowlingwritten?ShehaswrittensevenHarryPorterbooks.SevenHarryPorterbookshavebeenwrittenbyJ.K.Rowling.ThePresentPerfectPassiveVoiceSentencestructure:subject+have/has+been+doneInwhatcasesdoweusethepassivevoice?1.不知道或没有必要说明的动作的执行者是谁。2.强调动作的承受者，而不是发出者。ThePresentPerfectTenseSentencestructure:主语+have/hasdone现在完成时表示动作发生在过去,并持续到现在或者是过去的动作对现在的影响.经常用于现在完成时的时间状语:recently,uptonow,sincethen,sofar,already,just,yet等.现在完成时的被动语态表达以下两个概念：1.说话时已经完成的动作或出现的结果。2.主语是行为动作的承受者，在使用现在完成时的被动语态时要注意以下两点：1.过去分词前有两个助动词have/has和been。2.必须表示被动。Ihavebeentoldaboutitmanytimes．Thebridgehasjustbeenbuilt．1.现在完成时被动语态肯定句句型：主语+have/hasbeen+过去分词Hermotorbikehasbeenstolen.2.现在完成时被动语态否定句句型：主语+have/has+not+been+过去分词Thetaskhasnotbeenfinishedyet.Manyskilledworkershavenotbeentrainedinthecompany.•Thepresentperfectpassivevoice(肯定句、否定句:3.现在完成时被动语态一般疑问句句型：Have/Has+主语+been+过去分词...?Hasanewcomputerbeenbought?HavetheybeensentabroadtostudyEnglish?4.现在完成时被动语态特殊疑问句句型：疑问词+have/has+主语+been+过去分词...?Wherehasthecarbeenrepaired?Whohavebeenhelpedbythenewcomputer?Howmanybuildingshavebeenbuiltinthisschool?•Thepresentperfectpassivevoice(疑问句）:WorkersWorkershavebuilthavebuiltthehousethehousesincetwoyearsago.sincetwoyearsago.sincetwoyearsago.sincetwoyearsago.Exercise1:Changethesentencesintothepresentperfectpassivevoice动作的执行者动作的承受者谓语动词ThehouseThehousehashasbeenbeenbuiltbuiltbyworkers1We1Wehavereceivedhavereceivedmanylettersmanyletterssincelastweek.sincelastweek.ManylettersManylettershavebeenreceivedhavebeenreceivedsincelastweek.sincelastweek.Changethesentencesintothepresentperfectpassivevoice2Myfriendhasboughtanewpersonalcomputer.Anewpersonalcomputerhasbeenboughtbymyfriends•3Theshophasrepairedmycomputerveryquickly.Mycomputerhasbeenrepairedbytheshopveryquickly.ChangethesentencesintothepresentperfectpassivevoiceThebuildings,destroy,earthquakeThebuildingshavebeendestroyedintheearthquake;•Exercise2:Makingupsentencesusingpresentperfectpassivevoice:machinereplacecomputer1Themachinehasbeenreplacedbythecomputer.•Makingupsentencesusingpresentperfectpassivevoice:newbridge,build,inourcity2Anewbridgehasbeenbuiltinourcitymanytrees,plant,alongtheroad3ManytreeshavebeenplantedalongtheroadChangethefollowingsentencesintoactiveorpassivevoice.1.LiuXianghaseverbrokentheworldrecord.TheworldrecordhaseverbeenbrokenbyLiuXiang.2.Thefloorhasbeencleanedbymymother.Mymotherhascleanedthefloor.3.YaoMinghasbeenpushedoverbyafatbasketballplayer.AfatbasketballplayerhaspushedYaoMingover.4.Ihaven’tcleanedtheroomforweeks.Theroomhasn’tbeencleanedbymeforweeks.5.Wehavebeeninvitedtotakepartinhiswedding.Hehasinvitedustotakepartinhiswedding.6.Myfatherhasgivenupsmokingsofar.Smokinghasbeengivenupsofar.7.Someonehasopenedmybag.Mybaghasbeenopenedbysomeone.8.Allthelettershavealreadybeensentbythepostmen.Thepostmenhavealreadysentalltheletters.Manyoldbuildings______________(pulldown)andnewfences____________(build)inShijiazhuang.havebeenpulleddownhavebeenbuiltFillintheblanksJiangsuShanghaiAnhuiSichuan电影《重返20岁》是由陈正道最近导演的。MissGrannyhasrecentlybeendirectedby...