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时间:2020-01-22
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1、.一、时态和语态1.如何解答时态问题例1You’vealreadymissedtoomanyclassesthisterm.You______justlastweek.A.missedB.wouldmissC.hadmissedD.havemissed例2AnneaskedTom______thekey.A.whenheleftB.wherehehadleftC.howheleftD.whydidheleft考试重点2.与完成时有关的时态★现在完成时(havedone)since,for/inthepastfewmonths,uptonow例
2、1Collectingtoycarsasahobbybecomesincreasinglypopularduringthepastfiftyyears.ABCD例2English______inanewwayatmycollegeinthepastfewyears.A.hasbeentaughtB.wasbeingtaughtC.hasbeentaughtD.hadbeentaught.★过去完成时(haddone)例3AnneaskedTom______thekey.A.whenheleftB.wherehehadleftC.howhele
3、ftD.whydidheleft例4Thechemistryclass_____forfiveminuteswhenwehurriedthere.A.hadbeenonB.hadbegunC.hasbeenonD.wouldbegan★将来完成时(willhavedone)by例5We’relateIexpectthefilm_____bythetimewegettothecinema.A.hadalreadystartedB.havealreadyC.willalreadyhavestartedD.havealreadybeenstarted
4、.★现在完成进行时(havebeendoing)例6Itseemsoil___________fromthispipeforsometime.We'llhavetotakethemachineaparttoputitright.A.hadleakedB.isleakingC.leakedD.hasbeenleaking★过去完成进行时(hadbeendoing)★将来完成进行时(willhavebeendoing)..例7Bythetimeyouarrivethisevening,_______fortwohours.A.IwillstudyB
5、.IwillhavebeenstudiedC.IhadstudiedD.Iwillhavebeenstudying.3.在时间和条件状语从句中不用将来时态▲用一般现在时代替一般将来时例1Whenthemixture_____,itwillgiveoffapowerfulforce.A.willheatB.willbeheatedC.isheatedD.hasheated例2pleasebesuretotelephonemethenexttimeyou______.A.willcomeB.wouldcomeC.shallcomeD.come▲用现
6、在完成时代替将来完成时例3Smithistostudymedicineassoonashe_______militaryservice.A.willfinishB.hasfinishedC.finishD.wouldfinish注意例4Noonecanbesureifthecarondisplayfitshimorheruntilheorshe______them.A.triesB.willtryC.aretryingD.havetried4.考试小窍门◆考试中如果遇到与完成时态相关的选项要重点加以研读一般说来是正确答案。二、情态动词1.
7、几个情态动词的否定式的含义can’tmaynotmustn’tneed’t2.表示推测的几个情态动词用法★must表示肯定的推测意思是“一定”+do对现在情况的推测must+havedone对过去情况的推测例1I________asleepinthecorner,forIremembernothingofwhathappenedduringthenightA.mightfallB.mustfallC.musthavefallenD.canhavefallen★can’t/could’t表示否定的推测意思是“不可能”+do对现在情况的推测can
8、’t/couldn’t..+havedone对过去情况的推测★may/mightnot表示可能性很小的推测意思是“也许„
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