-被动语态复习课件ppt

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1、主动语态与被动语态一、英语的谓语动词的语态WespeakEnglish.主语谓语宾语Englishisspokenbyus.主语谓语宾语宾变主,主变宾,前加by，用宾格形式。动变被,看清be,结构分别be+pp主动语态被动语态二、各种时态的被动语态形式：be+过去分词一般现在时：am/is/aredone一般过去时：was/weredone含有情态动词的被动语态can/must/needn'tbedone其他：现在进行时：am/is/arebeingdone过去进行时：was/werebeingdone现在完成时：have/hasbeendone过去完成时：had

2、beendone一般将来时：shall/willbedone;begoingtobedone三、主动语态变被动语态解题步骤1.原句的宾语变为主语（找宾语）。Theymakeshoesinthatfactory.Shoesare2.动词变为相应时态的被动形式（注意be动词的形式）。made3.原句的主语变为by+宾格形式。其它照写。bythemintheirfactory.Shoesaremade(bythem)inthatfactory.一般现在时的被动语态：S(主语）+am/is/are+过去分词Heridesthemotorbiketohisfactoryevery

3、day.Themotorbike____________tohisfactoryeveryday.isridden2.Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)lastterm.一般过去时：S+was/were+过去分词Heboughthisfriendsomefruitsyesterday.Hisfriend______somefruitsyesterday.wasbought3．JimcantakegoodcareofTina．TinacanbetakengoodcareofbyJim.

4、情态动词：主语+can/may/must/should+be+过去分词Hecancarrythebasket.Thebasketcan__________byhim.becarried1.Peopleuseknivesforcuttingthings.Knives____________forcuttingthings.2.Wefoundtheticketonthefloor.练习：把下列句子变为被动语态Theticket_________onthefloor.3.Hecanmendthebikeintwodays.Thebikecan_____________intw

5、odays.areusedwasfoundbemended4.Didhefinishtheworkyesterday?5.Mustwefinishourworktoday?___thework_______byhimyesterday？Mustourwork___________by______today?Wasfinishedbefinishedus6.Dotheyoftentalkaboutthisquestion?__thisquestionoften_____about______?Istalkedbythem7.Doesn’tBobcleanthestreet

6、everyday?_______thestreet_________byBobeveryday?Isn’tcleaned1)seesb.doingsth.被动语态：sb.beseendoingsth.Isawhimplayingfootballatthatmoment.Hewasseenplayingfootballatthatmoment.四．几种值得注意的被动语态变化．1.带复合宾语的被动语态结构．Hetoldustogettoschoolearly.Ourparentsaskustostayathomeatnight.Weweretoldtogettoschool

7、earlybyhim.Weareaskedtostayathomeatnight.2）tellsb.todosth.3）makesb.dosth.sb.bemadetodosth.MrGreenmadeJimdohishomeworkathome.JimwasmadetodohishomeworkbyMrGreenathome.watchlethavehearseenoticeWehearhimplayinthenextroom.Heisheard_________inthenextroom.toplayBobsentKatealette