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单元语法归纳与练习一般过去时的被动语态一、句式:1.肯定句:主语+was/were+及物动词的过去分词+其他。2.否定句:主语+was/were+not+及物动词的过去分词+其他。3.一般疑问句:Was/Were+主语+及物动词的过去分词+其他?4.特殊疑问句:特殊疑问词+一般疑问句式?二、主动语态变为被动语态应注意的问题1.不及物动词没有被动语态。例如:Whathappenedlastnight?昨晚发生什么事了?2.动词短语相当于及物动词时才能变被动语态。在变为被动语态时,不可省掉里面的介词或者副词。例如:Theoldpeopleshouldbetakengoodcareof.老人应该得到悉心照顾。3.含双宾语的主动句变为被动句(直接宾语为物,间接宾语为人)。巧记口诀:如遇双宾语,最好变间宾。如若变直宾,to/for间宾前。例如:Myfatherboughtmeabasketball.爸爸给我买了一个篮球。变为被动语态可有以下两种变化:Iwasboughtabasketballbymyfather.或者Abasketballwasboughtformebymyfather.4.含有感官动词(hear,see,watch,notice)和使役动词(make,let,have)的,变被动语态时,省去的to要加上。巧记口诀:感官动词真奇怪,主动句中to离开,被动句中它回来。例如:Isawhimwalkintotheclassroom.我看到他进了教室。变为被动语态为:Hewasseentowalkintotheclassroom.Ⅰ.单项选择()1.Mr.GreentosinganEnglishsongatthepartyandhesangwell.A.wasinvitedB.invitedC.isinvitedD.invites()2.—Whatdoyoulikebestonshowinthemuseumtoday?—ThepicturesthatbyPicasso.A.aredrawnB.weredrawnC.drewD.drawAB()3.Thewaitertoldmethatfreeparkingforthehotelguests.A.providesB.providedC.willbeprovidedD.wasprovided()4.Thesingerwhilestillatschool.A.hasdiscoveredB.wasdiscoveredC.discovered()5.Inthepast,theyfrommorningtonight.A.madetoworkB.askedtoworkC.wereaskedforworkD.weremadetoworkDBDⅡ.句型转换6.Ioftenseehimplayfootballafterschool.(改为被动语态)Heisoftenplayfootballafterschool.7.Thebossinthisfactorymadetheworkersworkfor12hoursadayinthepast.(改为被动语态)Theworkersinthisfactoryworkfor12hoursadayinthepast.8.Thewaitertookawaytheplatesafterwefinishedeating.(改为被动语态)(2017达州)Theplatesawaybythewaiterafterwefinishedeating.9.Myparentsdidn’tbuymeapianolastweek.(改为被动语态)Apianobymyparentslastweek.10.PenicillinwasdiscoveredbyAlexanderFleming.(改为一般疑问句)PenicillinbyAlexanderFleming?seentoweremadetoweretakenwasn’tboughtformeWasdiscovered