grammar被动语态

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1、Grammar被动语态Lookatthefollowingsentences.1.Iwastoldtogettherebeforeseventomorrow,soI’llhavetogetupearly.2.Wastepapershouldn’tbethrowneverywhere.It’sourdutytokeepourcityclean.PassiveVoice3.LiuXiangwasadvisedbyhiscoachtotrainregularly.4.EachtimetouriststraveltoBeijing,theywillbeshownaroundtheFo

2、rbiddenCity.5.Drivingafterdrinkingwineisn’tallowedinChina.被动语态：主语是动作的承受者。当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者时，或者只需强调动作的承受者时，要用被动语态。(一)一般现在时——am／is／are+动词的过去分词一般过去时——was／were+动词的过去分词情态动词——aux.v.(must／can／could／may…+be+动词的过去分词被动语态的构成:be+动词的过去分词一般将来时——willbe／begoingtobe+动词的过去分词现在进行时——be(am、is、are)

3、+being+动词的过去分词现在完成时——have／has+been+动词的过去分词(二)主动语态如何改成被动语态？1.主动语态的宾语改成被动语态的主语。2.主动语态的谓语动词改成被动语态的谓语动词。do3.注意保持时态和人称的一致。bedone再如：buy如:givebegivento此类动词还有：passshowsend…beboughtfor此类动词还有：makedrawcookmend…4.带双宾的谓语动词有两种改法。当把直接宾语改成主语时,谓语动词后必须加适当的介词:tofor.5.一些动词不定式在主动语态中省略to作宾语补足语,改成被动语态时,to必须还原。注:1

4、.不及物动词（vi.)不用被动语态。如:happen、takeplace、appear、disappear…几种特殊结构1.Myunclegavemeagiftonmybirthday．Iwasgivenagiftonmybirthday．Agiftwasgiventomeonmybirthday.2.Weoftenhearhimplaytheguitar．Heisoftenheardtoplaytheguitar.注意：see,watch,hear,notice,feel,make,listento,lookat等动词/短语后作宾语补语的不定式都不带to；但改成被动语态后必

5、须带to。1.Someonewoundedhisarm.2.Youshouldteachchildrentospeak/tellthetruth.Hisarmwaswoundedbysomeone.Childrenshouldbetaughttospeak/tellthetruth.Putthefollowingsentencesintothepassivevoice.Exercises3.Hetoldthestoryinapleasantandinterestingway.4.Ihaverepairedtherecorderseveraltimes.Thestorywast

6、oldinapleasantandinterestingwaybyhim.Therecorderhasbeenrepairedseveraltimesbyme.5.Isawhimpushabikeoutofthehouse.6.Theyaremakingthistypeofradiosinshanghai.Hewasseentopushabikeoutofthehouse.Thistypeofradiosarebeingmadeinshanghaibythem.II.Pleasechoosethebestanswer.1.English____inmanycountries.

7、A.isspokenB.speaksC.speakD.bespoken2.Abridge____lastyears.A.hasbeenbuiltB.isbeingbuiltC.wasbuiltD.isbuilt3.Thelittlegirl____bythetigerinthezoo.A.frightenedB.wasfrightenedC.hadfrightenedD.wasfrightening4.Thesemagazines____outofthereading-room.A.mustnottak