1、江苏省高考英语二轮总复习专题导练课件第7课时情态动词和虚拟语气第7课时单项境空情态动词和虚拟语气情态动词主要用来表示说话人的看法、态度等,它是每年高考必考内容。 常借助于具体的语境来考查对情态动词的基本用法的掌握。解题技巧:1掌握并熟练运用情态动词和虚拟语气的基本用法和特殊形式及表达的 意义。心2.解题时快速辨认相似或同类情态动词在意义和功能上的区别和辨认并 确定虚拟语气的形式。情态动词1. I dont really like James. Why did you invite him?Dont worry. He come. He said he was nt certai n what
2、his plansB. need notD. might notwere. (2011-北京卷) A. must not C. would not【点拨】考查情态动词表推测的用法。肯定推测一般用must, should, may/might或could (不用can),其中,must的语气最强,意为“肯定”, should次之,意为“很可能,应该” ,may/might语气最弱,意为“也许”。 否定推测语气不很肯定时常用may/might not或could not,意为“可能不,也许 不”;否定语气较强时则用carTt,意为“根本不可能,想必不会”;用于疑问 表示惊异、怀疑的感情色彩时用ca
3、n。【点拨】题干中的he wasnt certain说明他不能确定是否来,因此应用might not(也许不); must表推测不能用于否定句;need not (不必要)与句意不符;would not表示 “不会”,与he wasn*t certain相矛盾;敲答案另D。2. They have arrived at lunchtime but their flight was delayed. (201 j全国新课标卷)A. willC. mustB. canD. should【点拨】考查情态动词+动词完成式的用法。should have done表示“本应该 做而实际上未做”,与后半句b
4、ut their flight was delayed相呼应;符合题意。 will have done为将来完成时;can have done表示对发生过的事情的推测,用 于疑问句中,否定式为carTt have done; must have done表示对过去的事情的 推测,意为“想必肯定做过某事”。故答案为D。A. cantC. darent3.I worry about my weekend I always have my plans ready beforeit comes. (2011 海卷)B.must ntD. neednt【点拨】考查情态动词的用法。must意为“必须”,回
5、答以must引导的问句时, 若是否定回答,不可以用mustnt而要用neednt或dont have to, mustnt,意为“绝不能,一定不要” o need用作情态动词时主要用于疑问句和否定句中, neednt 意为“不用,不需要”。由I always have my plans ready before it comes (周末之前我总是计划好)可知前文是指“不必担心”,因此用needn-to cant不能,不可能;mustnt不准;darent不敢。故答案为D。虚拟语气4. I left my handbag on the train, but luckily someone gav
6、e it to a railway official.it. (2011-江苏卷)How unbelievable to get it back! I mean, some oneA.will have stolenB.might have stolenC.should have stolenD.must have stolen【点拨】考查虚拟语气。由上句luckily someone gave it to a railway official和 How unbelievable to get it back可知手提包并没有被偷,因此有人可能偷包是 对过去的事实的虚拟,其句式为might/co
7、uld/would/should + have done;但 should have done还可表示过去本该做而没有做,在本句中容易引起歧义; will have done为将来完成时;must have done表示对过去的事情的推测,意 为“想必肯定做过某事”,与句意不符。故答案为B。5. Pity you missed the lecture on nuclear pollution.I it, but I was busy prepari ng for a job in terview. (2011福建卷)A.attendedB.had attendedC.would attendD.would have attended【点拨】考查虚拟语气。would可用于含蓄条件句中的虚拟语气,表示与事实 相反。由but I was busy preparing for a job interview可知并没有去听讲座,是 与过去事实相反的,故答案为D。
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