Unit3TheInternetDiscoveringUsefulStructures
被动语态复习一、什么是语态？语态是英语动词的一种表现形式，用来说明_________和__________之间的关系。二、语态的种类：___________和____________主语谓语动词主动被动挑事儿：Ifyouthinkyouresuchatoughguy,thenhitme.Youhitme!Comeandhelpme!Iwashit/beaten.
1.以上句子中所使用的时态和语态是。2.现在完成时的被动语态的构为：。现在完成时的被动语态have/hasbeen＋过去分词Anenemyhasbeenslained.一名敌人被击杀。Anallyhasbeenslained.我方队友被击杀。Youhavebeenslained.你被击杀了。
Talkaboutsomethingthathasbeendone现在完成时的被动语态Readthepairsofsentences.Underlineandcomparethedifferentverbforms.Jan’slifehasbeengreatlyimprovedbytheInternet.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.
Thestudentshavecleanedtheclassroom.Theclassroomhasbeencleaned.Youneedn’tcleanitnow.现在完成时activepassive表示说话时已经完成的被动性的动作或结果，主语是动作的承受者。现在完成时的被动语态have/has+v-edhave/has+been+v-ed
现在完成时被动语态have/hasbeendone现在完成时的被动语态bedonehave/hasdoneHowdoweformthepresentperfectpassivevoice?现在完成时的被动语态
肯定形式：Hishomeworkhasbeenfinished.否定形式：Hishomeworkhasnotbeenfinished.一般疑问句:Hashishomeworkbeenfinishedyet?特殊疑问句：Howlonghashishomeworkbeenfinished?主语+have/hasbeendone...主语+have/hasnotbeendone...have/has+主语+beendone...?疑问词+have/has+主语+beendone...?结构形式现在完成时的被动语态
Theletter(post)already.hasbeenpostedManyhouses(build)forthepoorsofar.havebeenbuilt用法1:被动动作发生在过去,已经完成,对现在造成影响或产生结果。(already,yet,recently,never,sofar,bynow,since等)现在完成时的被动语态的用法
Themachine(repair)fortwohoursbutitstilldoesn’twork.hasbeenrepairedPapermoney(use)forover50years.hasbeenused用法2:被动的动作或状态从过去开始一直持续到现在,并有可能继续持续下去。(常与for+一段时间;since连用)
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