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新人教版高中英语必修二Unit3单元同步语法2021新人教版高中英语必修二单元同步语法Unit3现在完成时的被动语态现在完成时的被动语态表示“现在已经被完成的动作”。常与一些副词连用，如already,yet,just,never,ever,lately,recently,twice等，通常把副词放在助动词have或has的后面，有时候也可以放在句末。也可以表示“一个从过去某个时间开始，持续到现在，并可能延续下去的被做的动作”。常用的时间状语有：for+一段时间，since+时间点/从句，in/for/over/duringthelast/pastfewyears/months/weeks/days,eversince,sofar,uptonow,inrecentyears等连用。【注意一】主动语态变被动语态注意事项【巩固练习】一．将下列主动句变为被动句1.Youcanseethattheyhavenotpaintedthehouseforyears.2.Itissaidthattwothieveshavebrokenintothehouse.3.Havepeoplecriticizedhisviews?4.Hehasnottakenawaythetwobooks.5.Wherehaveyourepairedthemobilephone?6.ThecompanyhasbroughtdownthepriceofthecolourTVsetagain.7.MyparentsgavemeatoyatChristmas.8.Someonesawastrangerwalkintothebuilding.9.Theysawtheboysmokingacigarette.10.Thebossforcedtheworkerstoworkdayandnight.二．用所给动词的正确时态填空1.----Look,whatanoldbridge!Itlookssospecial!----Yeah,it______（build）fornearly500years.2.Morethan14,000books_____（collect）sincethelibrary_____（build）lastmonth.3.Thisisaphotoofthepowerstationthat______（set）upinmyhometown.4.Howmanyworkers______（send）tobuildtherailwayrecently?5.Muchinformation______（send）backtotheearthsincethespacemenbegantheirexplorationonthemoon.6.Muchparkingspaceincities________(save)byusingsmallcars.7.Thispartofthesea________(explore)manytimes.8.Allthepreparationforthetask______（do）,andwe’rereadytostart.9.I______（employ）atthisjobsince1990.10.AkindofnewPC______（build）withmorefunctionsrecently.11.IhearJan'slife______（improve）bytheInternet.12.Theconstructionofthenewrailwaylines______（finish）bytheworkersbynow.13.Nocomment______（make）abouttheonlinedatabasetillnow.14.Agreatmanyfinecars______（produce）bythecarfactorysincethetechnologicalrevolution.15.Much______（write）aboutthewondersoftheWorldWideWebsincethen.16.Itissaidthatthebook________(translate)intoseverallanguages.17.Lookatthewaythepaths______（sweep）.You'dbetterdoitagain.18.Thechild______（take）careofbygrandmaalltheseyears.19.FirstasaPCandthenasalaptop,I________(use)inofficesandhomessincethe1970s.20.Sincethe1970smanynewapplications_______(find)forme.答案：一．1.Youcanseethatthehousehasnotbeenpaintedforyears.2.Itissaidthatthehousehasbeenbrokenintobytwothieves.3.Havehisviewsbeencriticizedbypeople?4.Thetwobookshavenotbeentakenaway(byhim).5.Wherehasthemobilephonebeenrepaired?6.ThepriceofthecolourTVsethasbeenbroughtdownagainbythecompany.7.IwasgivenatoyatChristmasbymyparents.或AtoywasgiventomeatChristmasbymyparents.8.Astrangerwasseentowalkintothebuilding.9.Theboywasseensmokingacigarette.10.Theworkerswereforcedtoworkdayandnightbytheboss.二．1.hasbeenbuilt2.havebeencollected;wasbuilt3.hasbeenset4.havebeensent5.hasbeensent6.hasbeensaved7.hasbeenexplored8.havebeendone9.havebeenemployed10.hasbeenbuilt11.hasbeenimproved12.hasbeenfinished13.hasbeenmade14.havebeenproduced15.hasbeenwritten16.hasbeentranslated17.havebeenswept18.hasbeetaken19.havebeenused20.havebeenfound