被动语态复习电子教案.ppt

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1、被动语态复习现在完成时：have/has+been+过去分词如：Theworkhasbeenfinishedbythem.一般将来时:will/shall+be+过去分词如：Thebridgewillbebuiltintwomonths.含情态动词的句子：can/must等+be+过去分词如：Canyourhomeworkbehandedinsoon?主动语态变被动语态的方法。主动语态的句子变被动语态的步骤：1.句子的主语变为宾语，前面加by（主语是人称代词时须变为宾格）。2.句子的宾语变为主语。3.谓语动词的主动形式变为被动形式（

2、时态保持不变）。例如：Hecleanshisbedroomeveryday.Hisbedroomiscleanedbyhimeveryday.例如：HecanspeakFrenchattheageoffive.Frenchcanbespokenbyhimattheageoffive.被动语态的特殊情况。1.动词不定式在使役性动词“make，let”等及感官动词“hear,watch,see,”等动词后作宾语补足语时，常省略。但变为被动语态时，后面要跟带的动词不定式。例如：MothermakesTomdosomehouseworkev

3、eryday.（变被动语态）误：Tomismadedosomehouseworkeveryday.正：Tomismadetodosomehouseworkeveryday.2.实义动词need的被动语态不是is/are+needed或need+be+过去分词，而是need+to+be+done或need+doing例如：Heneedstorepairhishouse.（变被动语态）误：Hishouseisneededtorepairbyhim.误：Hishouseneedsberepairedbyhim.正：Hishouseneed

4、stoberepairedbyhim.正：Hishouseneedsrepairingbyhim.被动语态跟踪练习题一、根据句意，用所给动词的适当形式填空。1.Football(play)byTomyesterday.2.Aletter(write)tohispenfriendbyhimnow.3.Theworkers(make)(work)morethantenhourseveryday.4.Theclassroom(clean)byJackonWednesday.wasplayed2.isbeingwritten3.aremad

5、e,towork4.iscleaned5.Thatfilm(see)twicebyus.6.Sometrees(plant)bythestudentsnextweek.7.LiLeioften(hear)(sing)Englishsongs.8.Theirhomework(can,finish)ontime.5.hasbeenseen6.willbeplanted7.is,heard,tosing8.canbefinished句型转换：1.LastSundayweheardthemsingPekingOperainthattheat

6、re.(改为被动语态)TheywereheardPeakingOperainthattheaterlastSunday.2.Wecleanourclassroomtwiceaday.(改为被动语态)Ourclassroomtwiceaday.3.PeoplegrowcottoninNorthChina.(改为被动语态)CottoninNorthChina.1.to;sing2.is;cleaned3.is;grown4.DidshetakethepicturesneartheDamingLakewhentheguideshowedh

7、eraroundthe“SpringCity”?(改为被动语态)thepicturesneartheDamingLakewhenaroundthe“SpringCity”.5.PeoplegrowriceinthesouthofChina.(改为被动语态)RiceinthesouthofChina.4.Were;taken;she;wasshown5.is;grown1.Oneortwoman-madesatellites______inourcountryeveryyear.A.havebeensentupB.willbesent

8、upC.issentupD.aresentup2.Mr.Li,you_____onthephone.A.arewantedB.werewantedC.arebeingwantedD.willbewanted3.Foodandcloth