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1、Unit5ItmustbelongtoCarla教学目标复习情态动词的用法Doyouremember?1.你会弹吉他吗？Canyouplaytheguitar?Yes,Ican./No,Ican’t.2.你能来参加我的派对吗？Canyoucometomyparty?Yes,I’dloveto./Sorry,Ican’t.Ihaveto…3.我可以使用你的字典吗？MayIuseyourdictionary?Sure,hereyouare./Sorry,Ihavetouseit.4.你可以打扫一下你的房间吗？Couldyourpleasecleanyourroom?Sure.I’
2、lldoitrightaway.Sorry.Ihavetodomyhomework.Wouldyoumindcleaningyourroom?No,notatall.5.我应该做什么？WhatshouldIdo?Youcould/shoulddo…6.他肯定属于Carla.ItmustbelongtoCarla.情态动词情态动词：本身有词义，表示说话人的语气或情态，但词义不完全，后面跟动词原形，一起构成谓语。并且没有人称和数的变化。1.-______Ihaveyourname,please?-Yes,Smith.S-M-I-T-H.A.MustB.MayC.WillD.Nee
3、d2.-Mum,mayIwatchTVnow?-Sure,butyou___finishyourhomeworkfirst.A.canB.mayC.mustD.couldBC3.Computers____solvedifficultproblemsveryquickly.AmustBneedCshouldDcanD4.-What’sthetimenow?-It’sseven.It’sstillearly.You__worryaboutthetime.Acan’tB.needn’tCmustn'tDmaynotB5.-Canyougoswimmingwithusthisafte
4、rnoon?-Sorry,Ican’t.I___takecareofmylittlesisterathomebecausemymotherisill.AcanBmayCwouldDhavetoD6.-Canyouplaywithayo-yo,Jim?-Yes,I____.It’seasy.AmustBcanCneedDmayB7.“MustIhandinmyexercisebooknow?”“No,you____.”Aneedn’tBcan’tCmustn’tDwon’tA8.-MayIgoouttoplaybasketball,Dad?-No,you____.Youmust
5、finishyourhomeworkfirst.Amustn’tBmaynotCcouldn’tDneedn’tA9.Themagazines____tothelibraryintwoweeks.AmustreturnBmustbereturnedCreturnedDmustbereturningB[考例]—Lookattheboyrunningontheground.IsitDavis?—It_____behim.Isawhimgototheteacher’sofficejustnow.mustB.can’tC.couldD.might(2007湖北黄冈)Languagep
6、ointsB[考例]Eventhetopstudentsinourclassdidn’tworkouttheproblem.Soit_____beverydifficult.A.needB.mustC.can’tD.shouldn’t(07山东滨州)[解析]此处must表示肯定的推测。could,might表示可能的推测B表示对某件事的确定程度，即表示推测的时候，通常会用到情态动词must,may,might,could,can’t等。按照推测的可能性来区别,must的可能性最大,may次之。could和might不表示过去时态,只是表示推测的可能性比较小,而can’t则表示
7、否定的猜测。例如：It’stwoo’clocknow.Hemustbehere.现在是两点钟。他一定在这儿了。各种"预测"Hecan’tcomebackinautumn.他不可能秋季回来。Thevolleyballmight/couldbeTom’sorLily’s.Theybothlikevolleyball.这个排球可能是Tom或Lily的,他们都喜欢排球。：【特别提醒】must表示推测时只用于肯定句，表示很有把握的推测，意为“一定”。例如：Ourteachermustbeintheofficebe
