单元语法聚焦八

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,1must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：Idontknowwheresheis.ShemaybeinNewYork.我不知道她在哪儿，她可能在纽约。TheguitarmightbeJanes.Sheplaystheguitar.这把吉他可能是简的。她弹吉他。ItcouldbeMeishairband.它可能是梅的发带。,单元语法聚焦八,3“can/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cant还是用couldnt，不存在时态差异，只是cant的语气较couldnt强。如：Thereisnolightintheroom.Shecantbeathomenow.房间里没有灯光。她现在不可能在家里。ThatmancantbeMr.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。Hecouldberunningforexercise.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.AcanBmayCmustDought()2.2014曲靖Frankwillhavehisbirthdaypartytomorrow.It_be!Hehadityesterday.AcantBmustCmayDneednt,C,实战演练,A,()3.WhoseTshirtisthis?It_beDaves.Itsmuchtoosmallforhim.AmustBmustntCcantDcan()4.2014常州HownicethatLucyhasbeeninvitedtothepartytoo!Well,Lucy_notcome.Sheisnotcertainwhetherhermotherwillallowherto.AmightBWouldCmustDneed,C,A,单元语法聚焦八,()5.Listen!IsthatKateplayingthepianointheroom?No,it_beher.ShehasgonetoLondonwithherparents.AmaynotBneedntCmustntDcant()6.Susanhasboughtalargehousewithaswimmingpool.It_beveryexpensive.Ineverevendreamaboutit.AmustBmightCcantDshouldnt,D,A,单元语法聚焦八,()7.He_inhisoffice.Iphonedtohisofficejustnow,butnooneanswered.AmaybeBcantbeCmustntbeDneedntbe,B,单元语法聚焦八,()8.WhereisJim,please?He_beinthereadingroom.Isawhimreadingthereamomentago.AwillB.needCwouldDmust()9.2013贺州ThewomanwhoistalkingwithMr.Brown_beMissLi.ShehasgonetoEngland.AcantBMustCmayDmustnt,D,A,单元语法聚焦八,()10.2013广东Someoneisknockingatthedoor.IsitAnn?It_beher.Sheisgivingaperformanceatthetheaternow.AmayBmustCcantDmustnt,C,用所给单词的适当形式填空。1.Theboysareallontheplayground.Theymust_(play)soccernow.2.Atthismoment,ourteachermight_(correct)ourexampapers.3.Jimcant_(swim)now.Hewentshoppingwithhismoth