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Module2Whatcanyoudo?,情态动词can1.定义:情态动词can本身有一定的含义,但不能独立存在,只能和动词原形一起构成谓语。can本身没有人称和数的变化。2.基本用法:(1)表示能力(如体力和脑力方面),意为“能;会”。例如:Canyouplaythepiano?你会弹钢琴吗?JimcanswimbutIcant.吉姆会游泳,但我不会。(2)表示可能性,常用于否定句或疑问句中。例如:HanMeicantbeintheclassroom.韩梅不可能在教室里。Canhecomeheretoday,please?请问他今天能到这里来吗?(3)表示请求或允许,意为“可以”,常用于口语中,此时与may同义。例如:CanIhaveacupoftea,please?请问我可以喝一杯茶吗?Youcangoout.你可以出去了。,3.基本句式:(1)肯定句:主语+can+动词原形+其他。例如:Hecanhelpyou.他能帮助你。Youcangotoplaygames.你可以去玩游戏了。(2)否定句:主语+cant+动词原形+其他。例如:Lucycantplaythepiano.露西不会弹钢琴。Wecantdoitlikethat.我们不能那样做。(3)一般疑问句:Can+主语+动词原形+其他?肯定回答:Yes,主语+can。否定回答:No,主语+cant。例如:Canyoudance?你会跳舞吗?Yes,Ican./No,Icant.是的,我会。/不,我不会。,.单项填空(A)1.Ifollowyou.Wouldyoupleasesayitagain?A.cantB.mustntC.needntD.shouldnt(A)2.MrGreenbeinhisoffice.Isawhimgooutjustnow.A.cantB.mustntC.couldntD.shouldnt(D)3.CanIhavealookatyourphotos,please?.A.ImsorrytohearthatB.DontmentionitC.IcantagreewithyouD.Sure,hereyouare,(D)4.Bill,yourunfast?Yes.Whataboutyou?A.mustB.needC.mayD.can(B)5.Igotothemoviesthistime.Howaboutnexttime?Allright.A.canB.cantC.mustD.mustnt,.根据句意用can或cant填空1.Canyoudance?No,Icant.2.Sorry,Icanttellyoutheboysname.3.IdontthinkyoucansingthissonginEnglish.4.Whatcanthiscomputerdoforus?Itcanhelpusdowithmanyproblems.5.Icantseeanybooksinthebag,butIcanseesomecrayonsandpencilsinit.,
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