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时间:2020-01-19
《单元语法聚焦八 .ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、单元语法聚焦八语法点击实战演练单元语法聚焦八语法点击情态动词表示推测1.must表示对现在的状态或现在正在发生的事情的推测,后面通常接系动词be的原形。如:Youhavestudiedforfivehours.Youmustbetired.你已经学习五个小时了,一定累了。Ourteachermustbemarkingourexampapers.我们的老师一定在批阅我们的试卷。“musthavedone”表示对过去发生的事进行有把握的推测或判断.Ithinksomebodymusthavepickeditup.我想肯定有人
2、捡起了它。单元语法聚焦八2.“may/might/could+动词原形”多用于肯定句,其“推测,判断”的语气不确定。may意为“也许,可能”;might不表示过去时态,只表示语气较may更弱,意为“或许,大概”。如:Idon'tknowwheresheis.ShemaybeinNewYork.我不知道她在哪儿,她可能在纽约。TheguitarmightbeJane's.Sheplaystheguitar.这把吉他可能是简的。她弹吉他。ItcouldbeMei'shairband.它可能是梅的发带。单元语法聚焦八3.“ca
3、n/couldnot+动词原形”用于否定句或疑问句中,表示否定推测或判断,有“不可能”之意。用can't还是用couldn't,不存在时态差异,只是can't的语气较couldn't强。如:Thereisnolightintheroom.Shecan'tbeathomenow.房间里没有灯光。她现在不可能在家里。Thatmancan'tbeMr.Black.Heismuchtaller.那个人不可能是布莱克先生。他高得多。4,“情态动词+bedoing”对正在发生的事情进行推测。Hecouldberunningforex
4、ercise.他可能是在跑步锻炼。Hemightberunningtocatchabus.他可能是在跑着赶公共汽车。Imustbedreaming.我肯定在做梦。Theymustbemakingamovie.他们一定是在拍电影。单元语法聚焦八()1.[2014·上海]Allpassengers________gothroughsafetycheckbeforetheytakeaplane.A.canB.mayC.mustD.ought()2.[2014·曲靖]—Frankwillhavehisbirthdaypartyt
5、omorrow.—It________be!Hehadityesterday.A.can'tB.mustC.mayD.needn'tC实战演练A()3.—WhoseTshirtisthis?—It________beDave's.It'smuchtoosmallforhim.A.mustB.mustn'tC.can'tD.can()4.[2014·常州]—HownicethatLucyhasbeeninvitedtothepartytoo!—Well,Lucy________notcome.Sheisnotcertain
6、whetherhermotherwillallowherto.A.mightB.WouldC.mustD.needCA单元语法聚焦八()5.—Listen!IsthatKateplayingthepianointheroom?—No,it________beher.ShehasgonetoLondonwithherparents.A.maynotB.needn'tC.mustn'tD.can't()6.—Susanhasboughtalargehousewithaswimmingpool.—It________bever
7、yexpensive.Ineverevendreamaboutit.A.mustB.mightC.can'tD.shouldn'tDA单元语法聚焦八()7.He________inhisoffice.Iphonedtohisofficejustnow,butnooneanswered.A.maybeB.can'tbeC.mustn'tbeD.needn'tbeB单元语法聚焦八()8.—WhereisJim,please?—He________beinthereadingroom.Isawhimreadingtheream
8、omentago.A.willB.needC.wouldD.must()9.[2013·贺州]ThewomanwhoistalkingwithMr.Brown________beMissLi.ShehasgonetoEngland.A.can'tB.MustC.mayD.mustn'tDA单元语法聚焦八()10.[2
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