被动语态各种时态的被动语态一般式进行式完成式现在is/aredoneis/arebeingdonehave/hasbeendone过去was/weredonewas/werebeingdonehadbeendone将来willbedonewillhavebeendone过去将来wouldbedonewouldhavebeendone2.被动语态的基本用法：be+过去分词1）通常根据中文意思来判断是否使用被动语态，一般来说，物做主语的时候必用被动。eg.Iamnotallowedtogooutbecauseoftherain.因为下雨，所以我不被允许出去。Thefoodwaseatenout.食物被吃光了。2)固定句型（经常用于作文中）例如：Itissaidthat…据说Itisbelievedthat…大家相信Itiswellknownthat…众所周知Itmustberememberthat…务必记住的是3.主动形式表示被动意义的动词1）need,want,require,deserve当need,want,require,deserve后用动名词的主动形式时，表示的是被动意义。例如：Yourhairneedscutting.你的头发该被理了。=Yourhairneedstobecut.Thefloorrequireswashing.地板需要冲洗。=Thefloorrequirestobewashed.2）感官动词：feel,look,smell,sound,taste例如：Thewaterfeelsverycold.Thedishtastesdelicious.3)act,clean,cut,cook,burn,draw,keep,lock,move,pick,play,read,sell,shut,start,tear(撕破),wash,wear,write等。当主语是物时，由及物动词转化来的不及物动词的主动形式常可表被动，并常与副词well,easily,smoothly等连用。例如：Theclothwashes/sellswell.Inwarmweathermeatandfishwon’tkeeplong.Thepoemreadssmoothly.4)beworthdoingsth.例如：Thebookisworthreadingtwice.4.不能构成被动语态的动词及动词短语Appear,die,disappear,happen,lie,occur,rise,agreewith,belongto,breakout,consistof,keepupwith,keepwords,loseheart,takeplace1)Thesickboytohospitalbythepoliceyesterday.A.istakenB.wastakenC.takesD.took2)Wastepapershouldn’teverywhere.It’sourdutytokeepourcityclean.A.bethrownB.throwC.isthrownD.arethrown3)--Doyouhaveanyproblemsifyouthisjob?--Well,I’mthinkingabouttheworkingdayA.offerB.willofferedC.areofferedD.willbeoffered4)ItisreportedthatmorenewteachingbuildingsinourschoolinthenexttermA.willbebuiltB.wasbuiltC.hasbuiltD.willbuild5)Thenewlibrarybuildinglastweek.A.wascompletedB.iscompletedC.completedD.hascompleted6)--David,turnofftheTVnooneiswatchingit.--Butitoffalready!Themusicisfromtheradio.A.sothat;hasbeenturnedB.when;hasturnedC.if;hasbeenturnedD.because;hasturned7)Nickajobinabank,buttooursurprise,hedidn’ttakeit.A.isofferedB.offeredC.wasofferedD.hasoffered8)--Doyouoftenplanttreesinspring?--Yes,manytreesinourschooleveryyear.A.plantB.