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1、高考体验模拟演练情态动词和虚拟语气语法专项训练(六)中考英语语法情态动词、虚拟语气语法专项训练情态动词和虚拟语气情态动词考点一can和could的用法1表示惊讶,常用在否定句和疑问句中。How could you do such a silly thing?你怎么能做那样的蠢事呢?中考英语语法情态动词、虚拟语气语法专项训练2表示可能性,意为“可能,有时会”。can和could没有时态的差异,只是could不太肯定。It is usually warm in my hometown in March,but it can be rather cold sometimes.我的家乡在三月份通常很暖

2、和,但有时候也会很冷。3can用于否定句,意为“不可能”。I think its all right.She cant make a mistake.我想应该没事,她不可能犯错误。The story cant be true.这个故事不可能是真的。中考英语语法情态动词、虚拟语气语法专项训练4cannot.too/enough表示“无论也不过分”;“越越好”。You cant be too careful while driving.开车时越小心越好。You cannot remember enough English words.你记的英语单词越多越好。5cannot butdo sth.表示

3、“不得不,只好”。I couldnt but choose to go.我只好去。中考英语语法情态动词、虚拟语气语法专项训练may和might表示“许可”,“可能性”,“祝愿”等意义。1表示许可。May I come in?我可以进来吗?Might I borrow your computer?我可以借一下你的电脑吗?May I play basketball this afternoon?今天下午我可以打篮球吗?No,you may not.不,不行。考点二may和might的用法中考英语语法情态动词、虚拟语气语法专项训练2表示可能性。may和might表示可能性时,可以对现在、过去或将来进

4、行推测。(2009年高考安徽卷)Some people who dont like to talk much are not necessarily shy;they may just be quiet people.言语不多的人未必就是害羞。他们或许就是安静的人。中考英语语法情态动词、虚拟语气语法专项训练3“may as well动词原形”意为“最好,满可以,倒不如”。You may as well do it at once.你最好马上就做这件事。We may as well stay where we are.我们留在现在的地方倒也不错。中考英语语法情态动词、虚拟语气语法专项训练4may

5、作“可以”讲时,其否定式常用mustnt表示“禁止”;must作“必须”讲时,其否定式是“neednt”,表示“不必”。May I use your car?我可以用你的车吗?No, you mustnt.(委婉的拒绝可用:Sorry,but I am using it now.或Youd better not.等)不,你不可以。中考英语语法情态动词、虚拟语气语法专项训练1表示义务,意为“必须”(主观意志)。(2009年高考湖南卷)Its the office!So you must know eating is not allowed here.这是办公室!所以你必须知道这里不许吃东西。Oh

6、,sorry.噢,对不起。考点三must的用法中考英语语法情态动词、虚拟语气语法专项训练在这种用法中must表示出于主观意识而必须要做某事;have to 表示由于某种客观原因而不得不做某事。除此以外,have to自身有时态的变化。I have to go now for Ive got a meeting 15 minutes later.我现在必须要走了,因为我15分钟后有个会要开。中考英语语法情态动词、虚拟语气语法专项训练【温馨提示】回答以must引导的问句时,若是否定回答,不可以用mustnt而用neednt 或是dont have to,因为mustnt意思是“绝不能,一定不要”,

7、而没有“不必”的意思。Must we hand in our exercises today?我们今天必须交作业吗?中考英语语法情态动词、虚拟语气语法专项训练Yes,you must.是的,必须交。(肯定回答)No,you neednt (you dont have to)不,不必今天交。(否定回答)Must I work out the problem tonight?今天晚上我必须解决这个问题吗?No,you neednt.不,你不必。中考英语语法情态动词、虚拟语气语法专项训练2表示猜测、推测。must常用于肯定句中表示猜测。对现在或未来的事进行猜测时,后接动词原形;对已经发生的事进行猜测

8、时,后接have过去分词。(2009年高考上海卷)It must have been Tom that parked the car here,as he is the only one with a car.一定是汤姆把车停在这里的,因为只有他有车。中考英语语法情态动词、虚拟语气语法专项训练(2009年高考重庆卷)Hi,Tom.Any idea where Jane is?嗨,Tom,你知道Jane在哪儿吗?She must in the classroom.I saw her there just now.她肯定在教室里。我刚才在那儿看到她了。3表示禁止(用于否定句)。Smoking mu

9、st not be allowed in the office.严禁在办公室吸烟。中考英语语法情态动词、虚拟语气语法专项训练4表示“偏执”,“固执”。Must you make so much noise?你非得弄出这么大声吗?If you must smoke,please go out.如果你偏要吸烟,那你就出去吧。中考英语语法情态动词、虚拟语气语法专项训练1用于第一、第三人称疑问句中,表示说话人征求对方的意见和向对方请示。Shall we begin our class?我们可以开始上课了吗?Shall the driver wait outside?司机在外边等着可以吗?考点四shal

10、l的用法中考英语语法情态动词、虚拟语气语法专项训练2用于第二、第三人称陈述句中,表示说话人给对方的命令、警告、允诺或威胁。Can I pay the bill by check?我可以用支票付账吗?Sorry,sir.But it is the management rule of our hotel that payment shall be made in cash.对不起,先生。用现金付账是我们宾馆的管理规则。中考英语语法情态动词、虚拟语气语法专项训练作情态动词的will,would与作助动词的will,would的各种形式相同。1表示自愿做或主动提出做什么,如意志、愿望或决心等。wou

11、ld用于过去的情况。Can someone fetch some water?谁能去取点水来?I will.我去。John promised his doctor he would not smoke,and he has never smoked ever since.约翰答应他的医生不再吸烟了,且从那时起他就再也不吸了。考点五will和would的用法中考英语语法情态动词、虚拟语气语法专项训练2与you连用表示请求或要求:用wont you强调邀请的语气。would比will更客气、委婉。Would you mind opening the window for me?请你给我打开窗户好吗

12、?3will表示规律性的“注定会”。You will regret forever if you lose the chance.如果失去这个机会你会后悔一辈子的。中考英语语法情态动词、虚拟语气语法专项训练need和dare既可用作情态动词,也可用作实义动词。用作情态动词时,主要用于否定句和疑问句。用作实义动词时,可用于各种句式。1用作情态动词Need I come?我需要来吗?Yes,you must.需要。You neednt telephone him now.你现在不必打 给他。She dare not go out alone at night.她晚上不敢一个人出去。考点六need和

13、dare的用法中考英语语法情态动词、虚拟语气语法专项训练2用作实义动词You dont need to do it yourself.你不必亲自做这件事。We need to tell them the news.我们需要把这消息告诉他们。The table needs painting (to be painted)桌子需要油漆一下。We should dare to give our own opinion.我们要敢于提出自己的观点。He did not dare to look up.他不敢抬头看。中考英语语法情态动词、虚拟语气语法专项训练1表示过去重复、习惯性动作时,used to可用

14、would代替。He would sit at the door waiting for his son coming back.他老是坐在门口等儿子回来。考点七used to和would的用法中考英语语法情态动词、虚拟语气语法专项训练2used to强调过去与现在对比,would则没这个意思。He used to get up early.他以前常常起得很早。(他现在不早起了)3表示过去的状态,只能用used to,不可以用would。There used to be a tree in my yard.以前,我家院里有一棵树。中考英语语法情态动词、虚拟语气语法专项训练Could/Might

15、 I use your bike tomorrow morning?明天上午我能用你的自行车吗?Yes,you can/may.(否定:No,Im afraid not.)好,你可以(用)。(不,恐怕不行。)考点八could/might/would/should表委婉的功能中考英语语法情态动词、虚拟语气语法专项训练不可说:Yes,you could/might.回答允许时,用could/might表委婉是不恰当的。Could I borrow your dictionary?我能借你的词典吗?Yes,of course you can.是的,当然可以。Would you do me a fav

16、or?请帮我一下,好吗?中考英语语法情态动词、虚拟语气语法专项训练1must have done此结构常用在肯定句中,表示对过去发生的行为的推测,意为“一定,肯定”。其否定或疑问形式用cant,而不用mustnt。He must have been drunk to say that.他准是喝醉了才那样说的。考点九“情态动词have done”的用法中考英语语法情态动词、虚拟语气语法专项训练2shouldhave done表示本应该做而实际上没有做,其否定式“shouldnt have done”表示某种行为不该发生却发生了。I think he should have tried to ge

17、t more qualifications before applying for the job.我认为他在申请这份工作之前应首先努力取得更多的资格证明。中考英语语法情态动词、虚拟语气语法专项训练3can (could)have done肯定式表示本来可以做而实际上未能做某事,疑问或否定形式表示对过去发生的行为怀疑或不肯定。You could have told me you were going to be late.你应当早告诉我你会晚到的。Do you know where David is?I couldnt find him anywhere.你知道大卫在哪里吗?我到处找不到他。W

18、ell.He cant have gone farhis coats still here.大卫的上衣还在这里,因此他肯定没走远。中考英语语法情态动词、虚拟语气语法专项训练4may (might)have done表示对过去(将来)发生的行为的推测,表示可能干了某事。Who knows what will happen?You may even have married by then.谁知道会发生什么呢?到那时你甚至可能已经结婚了。中考英语语法情态动词、虚拟语气语法专项训练5ought tohave done表示过去应做某事而实际未做,其否定式是“ought not to不定式完成式”,此时

19、ought to可与should换用。What you ought to have done is call the police.你早该报警了。中考英语语法情态动词、虚拟语气语法专项训练6neednthave done表示本来不必做某事而实际上做了某事。Terence has done so little work,he neednt have bothered to come to school today.特伦斯几乎没做什么功课,他今天其实就不用来学校。中考英语语法情态动词、虚拟语气语法专项训练1虚拟语气用于非真实条件句虚拟语气考点一虚拟语气用于状语从句中条件从句主句例句与现在事实相反I

20、f I (we,you,he,she,it,they)动词过去式(be的形式一律用were)I (we,you,he,she,it,they)would/should/could/might动词原形If he were indoors,he wouldnt feel so cold.中考英语语法情态动词、虚拟语气语法专项训练条件从句主句例句与过去事实相反If I (we,you,he,she,it,they)had过去分词I (we,you,he,she,it,they)would/should/could/mighthave doneIf you had taken my advice,yo

21、u wouldnt have failed in the examination.与将来事实相反A式:If主语一般过去式B式:If主语were to doC式:If主语should doI (we,you,he,she,it,they) would/should/could/might动词原形A:If he were here this evening,we would play cards. B:If she were to marry Jack,she would be happy. C:If she should know it,she would tell me.中考英语语法情态动词、

22、虚拟语气语法专项训练2.虚拟条件句和主句动作如发生的时间不一致,主句和从句的谓语要根据各自所指的不同时间选用适当的虚拟语气形式,这种句子叫做错综时间条件句。If I were you,I wouldnt have missed the film last night.如果我是你,我就不会错过昨晚那部电影了。(现在过去)If they had left home in early morning,they would arrive in half an hour.要是他们一大早离开家的话,再过半个小时就该到了。(过去将来)中考英语语法情态动词、虚拟语气语法专项训练3有时虚拟条件不用从句,而是通过

23、上下文或用介词短语等表示出来,这种句子叫含蓄虚拟条件句。常用的介词有with,without,but for等。But for your help,we couldnt have succeeded.要不是你的帮助,我们是不会成功的。Thank you for all your hard work last week.I dont think we could have managed it without you.感谢你上周的辛勤工作。我想要不是你辛勤的劳动,我们不可能做成。She wasnt feeling well,otherwise she wouldnt have left the

24、meeting so early.她感到不舒服,不然她不会那么早离开会场的。中考英语语法情态动词、虚拟语气语法专项训练4若条件句中有were,had,should,可把if省略,而把were,had,should放在主语前,形成倒装结构,这种结构主要用于书面语中。Had you come earlier,you would have caught the bus.你要是来早点的话,你就会赶上车了。中考英语语法情态动词、虚拟语气语法专项训练5有时主句和虚拟条件从句的动作发生的时间不一致,此时,主句和从句的谓语动词要根据各自所指的不同时间选择适当的动词形式。If you had worked ha

25、rd,you would be very tired now.如果你真的努力工作了,你现在就会感到很累的。(从句指过去,主句指现在)中考英语语法情态动词、虚拟语气语法专项训练1用于wish后的宾语从句中与现在事实相反,用were或动词的过去式;与过去事实相反,用had过去分词或would/could have done;表示将来没有把握或不太可能实现的愿望,用would/should (could,might)动词原形。考点二虚拟语气用于名词性从句中考英语语法情态动词、虚拟语气语法专项训练I wish she were here.她在这儿就好了。I wish you would go with

26、 us tomorrow.但愿你明天跟我们一块去。I wish she had taken my advice.那时她要是听我的话就好了。中考英语语法情态动词、虚拟语气语法专项训练2用在表示建议、愿望、命令等词后的宾语从句中。常见的动词有:suggest,advise,propose,command,request,insist,recommend等。宾语从句中谓语动词用should动词原形,should可以省略。He demands that he (should) be told everything.他要求将一切告诉他。Janes pale face suggested that she

27、 was ill,and her parents suggested that she (should) have a medical examination.简苍白的脸色表明她生病了,她父母建议她做一下医学检查。中考英语语法情态动词、虚拟语气语法专项训练3would rather后的宾语从句中,谓语用一般过去时表示现在或将来要做的事。如谈到过去的动作,则用过去完成时。Id rather you paid the money yourself.(现在)我宁愿你自己付钱。Id rather she hadnt done that.(过去)我宁愿她没有那样做。中考英语语法情态动词、虚拟语气语法专项训练4用于主语从句中It is desired/suggested/proposed/necessary/important/stra

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