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1、2008年高考英语专项指导1v情态动词的运用是高考英语几乎每年必 考的要点。根据近几年对高考题的分析 ，主要归纳为以下几个考查热点：1.情态动词表示推测; 2.情态动词 + have done 结构； 3.特定的语气; 4.情态动词基本用法.2一.情态动词表示推测的用法 情态动词可用来表示推测,语气从强到弱的顺序是： must所表示的可能性最大，最有把握， 意为“一定”。 can和could主要用于否定句和疑问句中 ， cant或couldnt 表示“不可能”may 和 might表示现在或将来可能发生的动作 或情况，主要用于肯定句中，might相对于may 来说，表示的可能性更小一些。mus
2、t，should，can，may，could，might 。3vShe may not be at home. She cant be at home. They should be there right now. At this moment, our teacher must be correcting our exam papers.情态动词+do表示对现在或将来的情况的推测情态动词+be doing。 表示对正在进行的情况的推测4The road is wet. It must have rained last night. There is nobody here. They mu
3、st have all gone home.must/may/might + have done 表示对过去情况推测 (肯定，可能，也许已经)51.-Are you coming to Jeffs party? -Im not sure. I _go to the concert instead.(NMET2000)A. must B. wouldC. should D. might 2.Mary _be in Paris，for I saw her in the town only a few minutes agoAmustnt Bcant Cshouldnt Dmay notBD63.-
4、_the news be true? No, it_be true. A. Can, cant B. May, cant C. May, may not D. Must, mustnt注意:may和might都不用于疑问句中。（正）Can Could it be cloudy tomorrow ？ （误）May Might it be cloudy tomorrow ？A7The children must have watered the tomatoes yesterday, _they The minister must have arrived in Shanghai, _hehedi
5、dnt hasntYou cant be serious, _you?are拓展8二.情态动词+have donev表示对过去所发生事情的推测或带有某种语气.1. I didnt hear the phone. I must have been asleep.must have done (过去)肯定/一定(用于肯定句中)92. There were already five people in the car, but they managed to take me as well.It couldnt have been a comfortable journey.cant/couldnt
6、 have done(过去)不可能103. He may not have finished the exercises, Im afraid. 4. You could have done better, but you didnt try your best.may/might have done(过去) 或许/可能做 (用于肯定或否定句中)could have done (过去) 本能够做 (用于肯定或否定句中,带有责备、劝告之意)115. When we got to the cinema, the film hadnt started, so we neednt have worri
7、ed.Mary didnt turn up last night, did she?No, she didnt need to come. We had changed our plan.neednt have done (过去)本来不必做(没有必要做而实际上也没做). 126.She shouldnt have taken away my tape, for I wanted to use it.should /ought to have done (过去)本应该做(而实际上未做),用于否定句 时则表示过去不该做的事反而做了 (带有后悔、埋怨或责备的语气）。1314v(06陕西）As you
8、 worked late yesterday, you _ have come this morning.B. may notC. cant D. mustntA A. neednt15(04全国) Mr. White_ at 8:30 for the meeting, but he didnt show up.B. should arriveC. should had arrived D. should be arriving (04福建) Ill tell Marry about her new job tomorrow.You _ her last week.A. ought to te
9、ll B. could have toldC. must tell A. should have arrivedD. should have toldA D 16(05福建)Catherine, I have cleaned the room for you.Thanks. You _ it. I could manage it myself.A. neednt do C. mustnt do D. shouldnt have doneB. neednt have doneB 17v(NMET 05) He _ have completed his work; otherwise, he wo
10、uldnt be enjoying himself by the seaside.A. should C. wouldnt D. cantB. mustB 18v(00 上海)My sister met him at the Grand Theatre yesterday, so he _ your lecture.B. neednt have attendedC. mustnt have attendedD. shouldnt have attendedA. couldnt have attendedA 19三.几个情态动词的特定语气 Shall1. 在疑问句中,用于第1、3人称,表示征 求
11、对方意见. 例如:Shall the driver wait outside ?2. 在肯定句中,用于第2、3人称,表示警 告、允诺、命令或威胁. 例如:20vYou shall answer for it if you go on behaving like that.vIf you work well, you shall have a rise.vHe shall be punished vNobody shall throw away rubbish everywhere.21 Churchill warned Hitler “ If you dare to invade Britai
12、n, you shall pay for it with great loss. (04湖南）Excuse me, but I want to use your computer to type a report.You shant have my computer if you dont take care of it.223.用在法律、条约、规定时。 (02上海) It has been announced that candidates shall remain in their seats until all the papers have been collected.(04重庆)“
13、The interest shall be divided into five parts, according to the agreement made by both sides” declared the judge.The sign says all payments shall be made in cash.23vShould1.据经验或事实来表达合理的推断。1)Mary took dancing classes for years; she should be an excellent dancer.2)Its nearly seven oclock. Jack should
14、be here at any moment.3)Its said that there are plenty of hotels in that town. There should not be any difficulty for you to find somewhere to stay.242. 表惊讶、惋惜、不满等情绪,常译为“竟 然”. (01上海) You cant imagine that a well-behaved gentleman should be so rude. Im surprised that you should have done such a thing
15、. Never did he expect that the conditions should be so terrible. 253. Should + 动词原形表虚拟, 可省略 . 在表建议、要求、命令、主张等动词 的宾语从句中 。常见的动词有: insist, order, command; suggest, advice, propose; demand, request, require,and ask and so on. 例如: Mike insisted that she didnt steal anything and (should) not be scolded.26 用于 It is suggested /proposed/ desired /strange /necessary /important /essential /natural /a pity 等的主语从句中.
