人教新课标 选修6 Unit2 虚拟语气2.ppt

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1、Thesubjunctivemood虚拟语气一、虚拟语气在条件句中虚拟条件句主句与现在事实相反的假设与过去相反的假设与将来相反的假设If+主语+动词的过去式（动词be用were)主语+should,would,might,could＋动词原形If+主语+had+过去分词主语＋should,would,might,could＋havedone1、If+主语+动词过去式2、If+主语+wereto+动词原形3、If+主语+should+动词原形主语＋should,wouldmight,could＋动

2、词原形１．错综时间条件句3．省略句5、wish后面的宾语从句中。2.用于表示命令、建议、要求等一类词后面的宾语从句。6.Itis(high/about)timethat…7.Ifonly引导的感叹句4.wouldrather+从句　动词用过去式或过去完成时Revision在suggestion/proposal/order/plan/advice/idea/request等名词后的表语和同位语从句中要用“should＋动词原形”　should可以省略．2.用于表语从句和同位语从句Myideais

3、thatwe(should)thinkitoverbeforeacceptingit.（）Mysuggestionthatwe(should)haveameetinghasbeenacceptedbyothers.（）Weallagreetothatsuggestionthatthemeeting(should)beputoff.（　　　　　　　）同位语从句表语从句A.在句型“Itisimportant(necessary,strange,natural)that....”中，that后面的从句

4、中的谓语动词用：should+动词原形我们有必要出去散散步。It’snecessarythatweshouldhaveawalknow.1她这样做是很自然的。２重要的是我们要照顾好病人。3.虚拟语气在在主语从句中It’snaturalthatsheshoulddoso.It’simportantthatweshouldtakegoodcareofthepatient.B.在Itisdemanded/suggested/ordered/required….that-clause句型中从句用(sho

5、uld)+动词原型Itisdemandedthatweshouldworkoutaplan.C.在Itisapity/ashame/nowonderthat…..句型中从句也常用(should)+动词原型It’sapitythatyou(should)missagoodchance.4.情态动词+havedone本来可以/可能---should/oughttohavedone本来应该做---shouldn’t/oughtnottohavedone本不该做--翻译下面句子你本不应该告诉她真相。Yo

6、ushouldn’thavetoldherthetruth.needn’thavedone本不必做---比较：didn’tneedtodo没必要做也没有做---我没必要擦窗户。我兄弟做了Ididn’tneedtocleanthewindows.Mybrotherdidit.wouldhavedone本来会去做----我没有足够的钱．否则我会买那本书的．Ididn’thaveenoughmoney,otherwiseIwouldhaveboughtthatbook.Choosethebestans

7、wer:1.Hegaveordersthattheexperiment____before5:30pm.A.befinishedB.willfinishC.mustbefinished2.He_____youmorehelp,eventhoughhewasverybusy.A,mighthavegivenB.mightgiveC.mayhavegiven3.Itishightimethatyou____youruncle.A.visitB.havevisitedC.wouldvisitD.vis

8、itedAAAcompetitioncompetitionBBB4.Theyoungmaninsistedthathe_____nothingwrongand_____free.A.did;set                  B.haddone;shouldbesetC.shoulddo;beset  D.haddone;mustbeset5.Hadyoulistenedtothedoctor,you_____allrightnow.are   B.were C.wouldbe   D.w