成人学士学位英语考试复习资料讲解材料.doc

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一、时态和语态

1.如何解答时态问题
例1：You’vealreadymissedtoomanyclassesthisterm.You______justlastweek.
A.missed B.wouldmiss C.hadmissed D.havemissed
例2：AnneaskedTom______thekey.
A.whenheleft B.wherehehadleft C.howheleft D.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1：Collectingtoycarsasahobbybecomesincreasinglypopularduringthepastfiftyyears. ABCD
例2：English______inanewwayatmycollegeinthepastfewyears.
A.hasbeentaught B.wasbeingtaught
C.hasbeentaughtD.hadbeentaught.
★过去完成时(haddone)
例3：AnneaskedTom______thekey.
A.whenheleft B.wherehehadleft C.howheleft D.whydidheleft
例4：Thechemistryclass_____forfiveminuteswhenwehurriedthere.
A.hadbeenon B.hadbegun C.hasbeenon D.wouldbegan
★将来完成时(willhavedone)by
例5：We’relateIexpectthefilm_____bythetimewegettothecinema.
A.hadalreadystarted B.havealready
C.willalreadyhavestarted D.havealreadybeenstarted.
★现在完成进行时(havebeendoing)
例6：Itseemsoil___________fromthispipeforsometime.We'llhavetotakethemachineaparttoputitright.
A.hadleaked B.isleaking C.leaked D.hasbeenleaking
★过去完成进行时(hadbeendoing)

★将来完成进行时(willhavebeendoing)
例7：Bythetimeyouarrivethisevening,_______fortwohours.
A.Iwillstudy B.Iwillhavebeenstudied
C.Ihadstudied D.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1：Whenthemixture_____,itwillgiveoffapowerfulforce.
A.willheat B.willbeheated C.isheated D.hasheated
例2：pleasebesuretotelephonemethenexttimeyou______.
A.willcome B.wouldcome C.shallcome D.come
▲用现在完成时代替将来完成时
例3：Smithistostudymedicineassoonashe_______militaryservice.
A.willfinish B.hasfinished C.finish D.wouldfinish
注意：
例4：Noonecanbesureifthecarondisplayfitshimorheruntilheorshe______them.
A.tries B.willtry C.aretrying D.havetried
4.考试小窍门