PassiveVoice被动语态英语动词有两种语态：主动语态和被动语态。1.当我们不知道谁是动作的执行者,2.或者只需强调动作的承受者时，要用被动语态。被动语态结构：主+be+过去分词(PP)+(by…)在改写中应注意：1.把原原来的宾语宾语提到前面作被动语态的主语主语;;2.把动词变成“be+be+过去分词过去分词”;3.主动语态中的主语主语变为介词byby的宾语宾语。。Somepeopleattackedthetowers.SVOThetowerswereattackedbysomepeople.SV3.情态动词的被语态：must/can/may/should+be+动词的过去分词e.g:Thecarmustn’tbestoppedhere.Canthischairbetakenoutoftheroom?Thisjobmustbefinishedontime.表格：被动态基本结构时态被动语态结构一般现在时一般过去时现在进行时过去进行时一般将来时过去将来时现在完成时过去完成时am/is/aredonewas/weredoneam/is/arebeingdonewas/werebeingdoneshall/will/begoingtobedonewouldbedonehave/hasbeendonehadbeendone二被动语态的几种类型：1主动句中有一个宾语的被动语态Hesawherintheshopyesterday.Shewasseenintheshopyesterday.2主动句中有二个宾语的被动语态Jimgavemeabook.IwasgivenabookbyJim.AbookwasgiventomebyJim.3主动句中含有宾语补足语句子的被动语态Mothertoldmenottobelate.Iwastoldnottobelatebymother.Isawmotherplantingflowersinthegarden.Motherwasseenplantingflowersinthegarden.Theymadehimwork12hoursaday.Hewasmadetowork12hoursaday.4短语动词的被动语态Icantakegoodcareofthebaby.Thebabycanbetakengoodcareof.Practice:1MustIpayforitatonce?_____it______________atonce?2Wewillbuildanewlab.Anewlab_____________.3Theyaren’tstoppingthetrafficnow.Thetraffic_______________now.4Howlonghaveyoukeptthebook?Howlong____thebook________?Mustbeenpaidforwillbebuiltisn’tbeenstoppinghasbeenkept5Ifyourhomework______(do)well,youmaygotoplay.6Mr.Greenwasseen_______(grow)trees.7Theblackboardwas________(look)carefullybythestudents.8Theshipmodel____be____(make)intwodays.isdonetogrowlookedatwillmade几种特殊结构1.Myunclegavemeagiftonmybirthday．2.Weoftenhearhimplayguitar．•Iwasgivenagiftonmybirthday．•Agiftwasgiventomeonmybirthday.•Heisoftenheardtoplayguitar•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须带to。Weshouldtakecareoftheoldpeople.Theoldpeopleshouldbetakencareof.
