人教版高一英语语法详解及练习[1]

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1、1.肯定的推测一般用must,should,may（might）或could（不用can），其中，must的语气最强，译为“肯定”、“准是”、“想必是”；should的语气次之，译为“很可能”、“应该”，指按常理推测；may（might），could的语气最弱，译为“也许”、“可能”。①Helen_______goonthetripwithusbutsheisn’tquitesureyet.A.shall       B.must       C.may         D.can②—I’vetakensomeoneelse’sgre

2、ensweaterbymistake.—It___Harry’s.Healwayswearsgreen.A.hastobe     B.willbe     C.mustn’tbe        D.couldbe③Ihavelostoneofmygloves.I_______itsomewhere.A.mustdrop                B.musthavedroppedC.mustbedropping         D.musthavebeendropped④IfI____plantodoanythingIwante

3、dto,I’dliketogotoTibetandtravelthroughasmuchofitaspossible.A.would       B.could        C.hadto    D.oughtto2.否定推测分为两种情况：1）语气不很肯定时，常用maynot,mightnot或couldnot，译为“可能不”、“也许不”。Youmightjustaswelltellthemanufacturerthatmalecustomers______notlikethedesignofthefurniture.（2004年上

4、海春季卷）A.must        B.shall    C.may           D.need2）否定语气较强时，则用can’t，译为“根本不可能”、“想必不会”，表示惊异、怀疑的感情色彩。①—DoyouknowwhereDavidis?Icouldn’tfindhimanywhere.—Well.He______havegonefar——hiscoat’sstillhere.A.shouldn’t      B.mustn’t        C.can’t        D.wouldn’t②—Isn’tthatAnn’s

5、husbandoverthere?—No,it_______behimI’msurehedoesn’twearglasses.A.can’t          B.mustnot        C.won’t      D.maynot3.疑问句中的推测，往往用can或could。Mr.Bushisontimeforeverything.How______itbethathewaslatefortheopeningceremony？（2001年上海春季卷）A.can         B.should          C.may   

6、        D.must4.对已发生事情的肯定推测常用“must,may,might等+完成式”；否定推测常用“can,could,may,might等+完成式”。①Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.They_______atleast150kilometersanhour.A.shouldhavebeendoing           B.musthavebeendoingC.couldhavedone                  D.would

7、havedone②He_______havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbyseaside.（2005年北京卷）A.should           B.must        C.wouldn’t  D.can’t③—Tomisneverlateforwork.Whyisbeabsenttoday?—Something________tohim.A.musthappen                   B.shouldhavehappenedC.co

8、uldhavehappened           D.musthavehappened④MysistermethimattheGrandTheatreyesterdayafternoon,sohe_____haveat