38现在完成时被动语态

现在完成时(presentperfecttense)的被动语态：S+have/has+been+done(过去分词)1.OvertimeIhavebeenchangedquitealot.2.FirstasaPCandthenasalaptopIhavebeenusedinofficesandhomessincethe1970s.3.…IneverforgetanythingIhavebeentold!4.Sincethe1970smanynewapplicationshavebeenfoundforme.5.Ihavealsobeenputintorobotsandusedtomakemobilephones…6.IhaveevenbeenputintospacerocketsandsenttoexploretheMOonandMars.Discoveringusefulstructuresfromthepassageonp18:Workershavebuiltthehousesincetwoyearsago.sincetwoyearsago.Exercise1:Changethesentencesintothepresentperfectpassivevoice动作的执行者动作的承受者谓语动词Thehousehasbeenbuiltbyworkers1.Wehavereceivedmanyletterssincelastweek.Manylettershavebeenreceivedsincelastweek.Changethesentencesintothepresentperfectpassivevoice2.Myfriendhasboughtanewpersonalcomputer.Anewpersonalcomputerhasbeenboughtbymyfriends3.Theshophasrepairedmycomputerveryquickly.Mycomputerhasbeenrepairedbytheshopveryquickly.ChangethesentencesintothepresentperfectpassivevoiceThebuildings,destroy,earthquake1.Thebuildingshavebeendestroyedintheearthquake.•Exercise2:Makingupsentencesusingpresentperfectpassivevoice:machinereplacecomputer2.Themachinehasbeenreplacedbythecomputer.•Makingupsentencesusingpresentperfectpassivevoice:newbridge,build,inourcity3.Anewbridgehasbeenbuiltinourcity.manytrees,plant,alongtheroad4.Manytreeshavebeenplantedalongtheroad.5.Mycomputer,justattack,anunknownvirus.6.theproblem,not,solve,we,yet7.thecomputers,giveaway,to,alocalschool,thecompanyMycomputerhasjustbeenattackedbyanunknownvirus.Theproblemhasnotbeensolvedbyusyet.Thecomputershavebeengivenawaytoalocalschoolbythecompany.8.Akindofintelligentrobot,develop,thescientistsAkindofintelligentrobothasbeendevelopedbythescientists.Makeupthesentencesusingthepresentperfectpassivevoice.PuttheChineseintoEnglishtocompletethesentences.1.Howmanyworkers_____________(已派遣)tobuildtherailway?2.—WhydoesMarylooksounhappy?—She_________________(被嘲笑)byherclassmates.havebeensenthasbeenlaughedatExercise3:3.Itissaidthatthehouse___________________(闯进了)bytwothieves.4.Thetwopens______________________(未被拿走)byhim.5.Where____thetelevision______________(已经修理了)?6.ThepriceofacolorTVset_____________________(降价了)again.7.What__________________(已被译成)intomanyforeignlanguages?havenotbeentakenawayhasbeenrepairedbrokenintohasbeenhasbeenbroughtdownhasbeentranslated1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1.Thefloorinourclassroom_____________(mop)everyday2.Itissaidthatmanyaccidents____________(cause)bycarelessdriving.3.We____________(take)tothathospitalbytaxitwohoursago.4.Anewcoat___________(buy)formebymymotherlastweek.5.China'sfirsttelevisionstation__________(setup)bytheworkersin1958Completethesentencesusingwordsgivenwithcorrectforms.ismoppedarecausedweretakenwasboughtwassetup6.He____________________(recognize)assoonashearrivesatthiscity.7.Allthoseoldbuildings______________________(knockdown)tomorrow.8.Anewvillagefortheathletesandallthestadiums__________________________(build)totheeastofLondoninthecomingyear.9.Doyouknowthethief__________________(catch)bythepolice?hasbeencaughtwillbeknockeddownwillberecognizedwillbebuiltCompletethesentencesusingwordsgivenwithcorrectforms.10.Allthepreparationsfortheproject___________________(complete).Andwe’rereadytostart.11.－Howmanytimes_____________________(you,tell)nottoplaywithfire?－I’msorry.I’llneverdothatagain.12.Thehomework__________________(must,handin)tomorrow.13.Theflowers____________________(should,water)onceaweek.haveyoubeentoldhavebeencompletedCompletethesentencesusingwordsgivenwithcorrectforms.mustbehandedinshouldbewateredA.B.C.D.1.A.B.C.D.2.A.B.C.D.3.A.B.C.D.4.5.A.B.C.D.A.B.C.D.6A.B.C.D.7Translatethefollowingandthenturnthemintopassivevoice: