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ID:37468985
大小:318.81 KB
页数:17页
时间:2019-05-12
《《被动语态复习》PPT课件》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、被动语态复习被动语态的构成。被动语态由“助动词be+及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。常用时态的被动语态的构成:一般现在时:am/is/are+过去分词如:Theflowersarewateredeveryday.一般过去时:was/were+过去分词如:Thehousewasbuiltbytheworkerslastyear.现在进行时:am/is/are+being+过去分词如:Hisfatherisbeingsenttothehospital.现在完成
2、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
3、式变为被动形式(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:Mothe
4、rmakesTomdosomehouseworkeveryday.(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
5、:Hishouseneedsberepairedbyhim.正:Hishouseneedstoberepairedbyhim.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.Theclass
6、room(clean)byJackonWednesday.wasplayed2.isbeingwritten3.aremade,towork4.iscleaned5.Thatfilm(see)twicebyus.6.Sometrees(plant)bythestudentsnextweek.7.LiLeioften(hear)(sing)Englishsongs.8.Theirhomework(can,finish)ontime.5.hasbeenseen6.willbeplanted7.is,h
7、eard,tosing8.canbefinished句型转换:1.LastSundayweheardthemsingPekingOperainthattheatre.(改为被动语态)TheywereheardPeakingOperainthattheaterlastSunday.2.Wecleanourclassroomtwiceaday.(改为被动语态)Ourclassroomtwiceaday.3.PeoplegrowcottoninNorthChina.(改为被动语态)CottoninNor
8、thChina.1.to;sing2.is;cleaned3.is;grown4.DidshetakethepicturesneartheDamingLakewhentheguideshowedheraroundthe“SpringCity”?(改为被动语态)thepicturesneartheDamingLakewhenaroundthe“SpringCity”.5.PeoplegrowriceinthesouthofChina.(改为被动语态)RiceinthesouthofC
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