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1、情态动词和虚拟语气情态动词和虚拟语气南召一中外语组南召一中外语组 陈果陈果一一.shall 和和should1Shall(1)用在一、三人称的疑用在一、三人称的疑问问句中句中,表示征求表示征求对对方方 的意的意见见或指示。或指示。E g.Shall we go out for a walk?Has Mr.Wang arrived?Yes,already.Shall he wait outside or just come in?考点一:情态动词的基本用法考点一:情态动词的基本用法 (2)用于二、三人称陈述句中,表示命令、许诺、用于二、三人称陈述句中,表示命令、许诺、威胁、决心、法律条文上的许可
2、或要求等。威胁、决心、法律条文上的许可或要求等。E g.You shall go to the front at once.Dont worry.You shall get the answer this very afternoon.The school rules state that no child shall be allowed out of the school unless accompanied by an adult.You shall not get my support if you do such a thing.2.should(1)(表义务,责任表义务,责任)应该
3、应该You should apologize to him.(2)(表示表示预测预测可能性可能性)可能,可能,(按道理按道理说说)应该应该Its nearly 7 oclock.Jack should be here at the moment.(3)竟然,居然竟然,居然I am surprised that you should speak in such a way.I can never imagine an honest boy like him should cheat in the exam.(4)一一 旦旦,万一万一Should you change your mind,let
4、me know.If it should rain tomorrow,we would stay at home.二二can 和和could(1)(表示能力表示能力)能能/会会(区(区别别can,could和和be able to)A computer cant think itself.I could swim all the way across the lake,but I cant now.(2)(表示表示许许可可)You can go out when you finish your homework.(3)(表示推表示推测测,常用在否定句和疑,常用在否定句和疑问问句中)句中)Who
5、 can it be at this time of day?Theres no light onthey cant be at home.(4)(表示表示请请求求)能不能能不能Can you give me a lift to the station?(5)(表示平时或大部分时间不是这样表示平时或大部分时间不是这样)有时会有时会(6)固定搭配固定搭配1).cannot.too/enough 表示表示“无无论论也不也不 过过分分”“越越越好越好”You cant be too careful while driving.You cant be careful enough while driv
6、ing.2).cant help doing sth.3).cant (help/choose)but do sth.The experienced teacher can make mistakes sometimes.三三.will与与would(1)表示意愿或决心(表示意愿或决心(would 用于用于过过去的情况)去的情况)I will never do that again.I have told him again and again to stop smoking,but he wont listen.(2008北京卷北京卷)John promised his doctor he
7、would not smoke,and he never smoked ever since.(2)表示请求表示请求 Will you help me with the work?Would you mind if I opened the window?(3)表示一种经常性、习惯性的动作表示一种经常性、习惯性的动作would可表示过去反复发生的动作或某种倾向,后面接表示动可表示过去反复发生的动作或某种倾向,后面接表示动 作的动词作的动词,不能接表示状态的词不能接表示状态的词;used to表示过去的习惯动作或状表示过去的习惯动作或状态,强调现在已不存在。态,强调现在已不存在。Every mo
8、rning he will have a walk along this river.Whenever he was in trouble,he would ask me for help.Our company used to do business with theirs.考点精讲领悟考点精讲领悟高考集训启迪高考集训启迪预测模拟演练预测模拟演练 工具工具工具工具语法专项提升栏目导引栏目导引为深入学习习近平新时代中国特色社会主义思想和党的十九大精神,贯彻全国教育大会精神,充分发挥中小学图书室育人功能四四.may 与与might(1)(表示请求(表示请求/准许)可以准许)可以You may n
9、ot take photos in the museum.May I use your car?No,Im afraid you cant.注:注:could/might用来表示请求、许可时,语气比用来表示请求、许可时,语气比can/may委婉,但在答语中不能用委婉,但在答语中不能用could/might.Could I use your bike?Yes,you can.Might I speak to you for a moment?Yes,you may.e g.考点精讲领悟考点精讲领悟高考集训启迪高考集训启迪预测模拟演练预测模拟演练 工具工具工具工具语法专项提升栏目导引栏目导引为深入
10、学习习近平新时代中国特色社会主义思想和党的十九大精神,贯彻全国教育大会精神,充分发挥中小学图书室育人功能 “may/might as well do sth”意为意为“最好最好,倒不如,倒不如”(2)表示祝愿表示祝愿May you succeed!May God be with you!(3)句型句型:You may as well do it at once.We may as well stay where we are.五五Must(1)(表示义务(表示义务/必要性)必须必要性)必须 You must do as you are told.must 作作“必须必须”讲时,其否定式是讲时,
11、其否定式是“neednt”,表示,表示“不不必必”。eg.Must I work out the problem tonight?No,you neednt.注注:mustnt 表示表示“禁止,不准禁止,不准”You mustnt play with the knife;you may hurt yourself.(2)(表示推测表示推测)一定,准是一定,准是 There must be something wrong.(3)(表示固执(表示固执,不满)偏要不满)偏要 If you must smoke,please go out.Why must you be talking so loud
12、ly while others are studying?1.(2010江江苏苏卷卷)I havent got the reference book yet,but Ill have a test on the subject next month.Dont worry.You_have it by Friday.Acould BshallCmust Dmay解解析析:句句意意为为:我我至至今今还还没没有有拿拿到到参参考考书书,但但是是下下个个月月这这个个学学科科就就要要测测试试了了。别别担担心心,周周五五之之前前你你一一定定会会有有的的。本本题题考考查查情情态态动动词词。shall 用用于于
13、第第二二人人称称表表示示允允诺诺、要要求求、命命令令、威威胁胁等等语语气气,根根据据句句意意可可知知此此处处表表示示允允诺诺的的语语气气,故故答答案案为为B。could 能能,能能够够;must 必必须须;may 也也许许,均不符合语境,可排除。均不符合语境,可排除。答案:答案:B2(2011潍潍坊坊质质量量监监测测)When we worked in the same firm several years ago,we_often go to the cinema together.Awould BwillCshall Dcould解解析析:考考查查情情态态动动词词。句句意意为为:当当几几年
14、年前前我我们们在在同同一一家家公公司司工工作作时时,我我们们常常常常一一起起去去电电影影院院。would 这里表示这里表示(过去过去)常常。常常。答案:答案:A3(2010福福建建毕毕业业班班检检查查)For environmental reasons,we _as well take these waste products and have them recycled.Ashould BwouldCmight Dcould解解析析:考考查查情情态态动动词词。根根据据语语意意,这这里里表表示示“我我们们只只好好把把这这些些废废弃弃产产品品收收起起来来并并回回收收利利用用”,固固定定表表达达m
15、ay/might as well 意意为为“使使倒倒也也无无妨妨,只只好做好做”,由此我们不难判断这里选,由此我们不难判断这里选C项。项。答案:答案:C4(2010南南通通二二模模)Will it take me long to get to the Sunshine Hotel?No,it_take you long.Its not the rush hour now.Ashouldnt BshantCmustnt Dneednt解解析析:考考查查情情态态动动词词。根根据据应应答答句句的的后后一一分分句可知所填词意思是:不应该,选句可知所填词意思是:不应该,选A。答案:答案:A考点精讲领悟考
16、点精讲领悟高考集训启迪高考集训启迪预测模拟演练预测模拟演练 工具工具工具工具语法专项提升栏目导引栏目导引为深入学习习近平新时代中国特色社会主义思想和党的十九大精神,贯彻全国教育大会精神,充分发挥中小学图书室育人功能1must 表示推表示推测时测时只能用于肯定句中,意只能用于肯定句中,意为为“一定,必定一定,必定”,表示十分肯定的,表示十分肯定的(在疑在疑问问句中或句中或 否定句中要用否定句中要用can)。(2009重庆)Hi,Tom.Any idea where Jane is?She must be in the classroom.I saw her there just now.Ther
17、es no light on-they cant be at home.2can 用于肯定句中有用于肯定句中有时时可以用来表示推可以用来表示推测测,意意为为“有有时时会会”;用于疑;用于疑问问句中可以表示推句中可以表示推测测,意,意为为“可能可能”,有,有时时表示一种惊表示一种惊讶讶的的语语气;用于否定句中气;用于否定句中也可以表示推也可以表示推测测,cant 意意为为“不可能不可能”,语语气很气很强强烈。烈。e g.Mr.Bush is on time for everything.How can it be that he was late for the meeting?布什先生做什么事
18、情都很准布什先生做什么事情都很准时时,他怎么可能,他怎么可能迟迟到会到会议议呢?呢?(2008福建卷福建卷)It is usually warm in my hometown in March,but it can be rather cold sometimes.3May/might用用于于肯肯定定句句中中可可以以用用来来表表示示推推测测,意意为为“可可能能”;用用于于否否定定句句中中也也可可以以表表示示推推测测,may not 意意为为“可可能能不不”,表表示示一一种种不不太太确确定定的的语语气。气。(2009辽辽宁宁卷卷)The traffic is heavy these days.I
19、 might arrive a bit late,so could you save me a place?最最近近这这些些天天交交通通拥拥挤挤。我我有有可可能能迟迟到到一一会会儿儿,因因此此请请你你给给我留个位子好我留个位子好吗吗?(2008全全国国卷卷)Liza may well not want to go on the tripshe hates traveling.莉莎可能不想去旅行,她莉莎可能不想去旅行,她厌恶厌恶旅行。旅行。4should 用用来来表表示示推推测测时时意意为为“应应该该”,即即含有含有“按道理来按道理来说应说应当如此当如此”的意思。的意思。(2010淄淄 博博 检
20、检 测测)The public transport in Beijing is very convenient,so there shouldnt be any difficulty in traveling around the city.现现在在北北京京的的公公共共交交通通非非常常便便利利,所所以以在在市市区区观观光不光不应该应该有什么困有什么困难难。1.(2010浙浙 江江 卷卷)“You_have a wrong number,”she said,“Theres no one of that name here.”Aneed BcanCmust Dwould解解析析:句句意意为为:“你
21、你肯肯定定打打错错电电话话了了,”她她说说,“这这儿儿没没有有叫叫那那个个名名字字的的人人。”考考查查情情态态动动词词。此此处处情情态态动动词词表表推推测测,由由语语境境可可知知说说话话人人对对推推测测的的事事情情把握较大,所以用把握较大,所以用must(肯定,一定肯定,一定)。答案:答案:C2(2010烟烟台台二二模模)I think Ill give Bob a ring.You _.You havent been in touch with him for ages.Awill BmayChave to Dshould解解析析:考考查查情情态态动动词词的的用用法法。根根据据题题意意可可知
22、知,这这里里选选择择should的的意意思思是是“应应该该”。这这句句话话的的意意思思是是:你你应应该该这这样样做做(即即给给Bob打打个个电电话话),你你们们都都多多年年没没有联系了。有联系了。答案:答案:D3(2010济济宁宁一一模模)When shall we hold the meeting?It_be better to put it off until next week.Amust BcouldCcan Dwill解解析析:考考查查情情态态动动词词。此此处处could表表示示可可能能性性、推推测测:说说不不定定会会。如如:It could be better to stay he
23、re.说不定呆在这里比较好。说不定呆在这里比较好。答案:答案:B1can/could have done 表表示示本本能能够够做做,疑疑问问或或否否定定形形式式表表示示对对过过去去发发生生的的行行为为表表示示怀怀疑疑或或不不肯肯定定,其其中中cant have done 多多用用于于语语气气强强烈烈的的否否定定,意意为为“不不可能做可能做过过”。The accident could have been avoided.这场这场事故本来是可以避免的。事故本来是可以避免的。(2008天津卷天津卷)She cant have left school,for her bike is still her
24、e.她的自行她的自行车现车现在在还还在在这这儿,她不可能已儿,她不可能已经经离开了学校。离开了学校。2may/might have done 表表示示对对过过去去行行为为的的推推测测,意意为为“可可能能做做过过”。might 所所表表示示的的可可能能性性比比较较弱弱,语语气气较较委委婉婉。此外此外might have done 可表示可表示“本可能做而本可能做而实际实际上未做上未做”。I cant find my purse anywhere.You may have lost it while shopping.3must have done 表表示示对对过过去去行行为为的的推推测测,意意为
25、为“一一定定,想必想必”,语语气十分肯定。气十分肯定。(2009上上 海海 卷卷)It must have been Tom that parked the car here,as he is the only one with a car.一定是一定是汤汤姆把姆把车车停在停在这这里的,因里的,因为为只有他有只有他有车车。4should/ought to have done 用用于于肯肯定定句句时时,表表示示本本该该做做某某事事,而而实实际际上上未未做做;用用于于否否定定句句时时,则则表表示示不不该该做做的的事事反而做了。反而做了。Im not feeling well in the stom
26、ach.I shouldnt have eaten so much fried chicken just now.我我现现在在觉觉得肚子疼,我得肚子疼,我刚刚才不才不应该应该吃那么多的炸吃那么多的炸鸡鸡。You oughtnt to have been late for yesterdays class meeting,as it was so important.昨天的班会你本不昨天的班会你本不应该迟应该迟到,因到,因为为它很重要。它很重要。5.neednt have done 表示本不需要表示本不需要I actually neednt have bought so much wineonl
27、y three people came.1.(2010潍潍坊坊教教学学质质量量抽抽样样监监测测)Her English composition is much too perfect.She _it herself,I bet.Amight have written Bcant have writtenCcant write Dmust have written解解析析:考考查查情情态态动动词词。语语意意为为:她她的的英英语语作作文文太太好好了了,我我打打赌赌一一定定不不是是她她写写的的。因因为为write是是过过去去的的动动作作,表表示示对对过过去去事事情情的的否否定定推推测测用用cant
28、have done。答案:答案:B2(20103月月浙浙江江金金华华十十校校联联考考)Why didnt you come to Mikes birthday party yesterday.Well,I_,but I had something important to do the moment.Ashould BmustCshould have Dmust have解解析析:考考查查情情态态动动词词和和省省略略。should have 在在这这里里相相当当于于should have come to Mikes birthday party,即即“我我本本应应该该去去参参加加Mike 的的
29、生生日日晚晚会会的的”。should have done 表表“本本应应该该做某事做某事(但实际上未做但实际上未做)”,其他选项不合题意。,其他选项不合题意。答案:答案:C3(2010安安 徽徽 卷卷)Jack described his father,who_a brave boy many years ago,as a strongwilled man.Awould be Bwould have beenCmust be Dmust have been解析:解析:句意为:杰克的父亲很多年前一定非常勇敢,因此杰克说句意为:杰克的父亲很多年前一定非常勇敢,因此杰克说他的父亲是一个意志坚定的人。
30、本题考查情态动词表推测语气。他的父亲是一个意志坚定的人。本题考查情态动词表推测语气。由句中的由句中的many years ago 可知是对过去的推测,故排除可知是对过去的推测,故排除A、C;而而B项表示可能性很小,故被排除。项表示可能性很小,故被排除。答案:答案:D4(2010山山东东卷卷)I_ have watched that movieitll give me horrible dreams.Ashouldnt BneedntCcouldnt Dmustnt解解析析:句句意意为为:我我本本不不应应该该去去看看那那部部电电影影它它会会使使我我做做噩噩梦梦的的。考考查查情情态态动动词词。sh
31、ouldnt have done本本不不该该干干,但但是是干干了了;neednt have done 本本没没必必要要干干,但但是是干干了了;couldnt have done 不不可可能能干干了了某某事事。无无mustnt have done 结结构构。根根据据题题干干所所提供信息应选提供信息应选A项。项。答案:答案:A情况情况从句从句的的动词动词主句主句的的动词动词例句例句与与现现在事在事实实相相反反动词动词的的过过去式去式(be动词动词一律用一律用were)would/could/could/should/might 动词动词原形原形If I had time,I would atten
32、d your party.如果我有如果我有时间时间,我就去参加你的宴会了。,我就去参加你的宴会了。If I saw him now,I would be very happy.如果我现在见到他,我会很高兴的。如果我现在见到他,我会很高兴的。与与过过去事去事实实相相反反had过过去去分分词词would/could/could/should/mighthave过过去分去分词词You didnt let me drive.If we had driven in turn,you wouldnt have got so tired.你当你当时时不不让让我开我开车车。如果我。如果我们轮们轮流开,你就流开
33、,你就不会不会觉觉得那么累了。得那么累了。与将与将来事来事实实相相反反动词动词的的过过去式;去式;should动词动词原原形;形;were to动词动词原形原形would/could/could/might/should动词动词原形原形If it snowed/were to snow/were to snow/should snow tomorrow,we would take photos.如果明天下雪,我如果明天下雪,我们们就照相。就照相。注注意意:(1)若若条条件件句句中中有有were,had,should,可可把把if 省省略略,而而把把were,had,should 放在主语前,形
34、成倒装结构放在主语前,形成倒装结构.Had you taken my advice,you wouldnt have failed in the examination.(2)有有时时主主句句和和虚虚拟拟条条件件从从句句的的动动作作发发生生的的时时间间不不一一致致,此此时时,主主句句和和从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。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 hard,you would be very tired now.如如果果你你真真的的努努力力工工作作了了,你你现现在在就就会会感感到到很很累累的的。(从从句句
35、指指过过去去,主主句句指指现在现在)(3)有有时时虚虚拟拟条条件件并并不不通通过过条条件件从从句句表表达达出出来来,而而是是通通过过词词、短短语语或上下文暗示,此或上下文暗示,此时时句子的句子的时态时态要依具体情况而定。要依具体情况而定。Without electricity(If there were no electricity),life would be quite different today.如果没有如果没有电电,今天的生活就会完全不同。,今天的生活就会完全不同。But for your help,it would have caused a serious loss.要不是你的
36、帮助,那将会要不是你的帮助,那将会导导致巨大的致巨大的损损失。失。I was busy that day.Otherwise I would have gone there with them.(If I hadnt been busy that day,I would have gone there with them.)我那天很忙,否我那天很忙,否则则,我就和他,我就和他们们一起去那儿了。一起去那儿了。1.(2010湖湖南南卷卷)If he_my advice,he wouldnt have lost his job.AfollowedBshould followChad followed
37、 Dwould follow解解析析:句句意意为为:如如果果他他(当当时时)接接受受我我的的建建议议,就就不不会会丢丢掉掉他他的的工工作作了了。本本题题考考查查虚虚拟拟语语气气。因因为为if条条件件句句表表示示与与过过去去事事实实相相反反,故故采采用用过去完成时。过去完成时。答案:答案:C2(2011厦厦门门市市质质量量检检查查)Thank you for reminding me of the time,or I _late yesterday.Dont mention it.Ashould be Bwould beCwill have been Dwould have been解解析析:考
38、考查查虚虚拟拟语语气气。从从语语境境可可知知说说话话人人是是在在谈谈论论昨昨天天的的事事,因因此此要要使使用用情情态态动动词词would完完成成式式。谢谢谢谢你你提提醒醒我我时时间间,不不然然昨昨天天我我就就迟到了。迟到了。答案:答案:D3(2011山山东东潍潍坊坊质质检检)_more careful,the mistake would not have been made.AIf he is BHad he beenCShould he be DIf he has been解解析析:从从主主句句中中的的would not have been made 可可知知,这这是是与与过过去去相相反反的
39、的虚虚拟拟语语气气,因因此此从从句句谓谓语语动动词词用用had been 的的形形式式,又又因因助助动动词词为为had时,可将时,可将if省掉,省掉,had提前,故提前,故B项正确。项正确。答案:答案:B(1)在在名名词词性性从从句句中中,常常用用来来表表示示命命令令、建建议议、要要求求、愿愿望望等等的的词词后后宾宾语语从从句句和和同同位位语语从从句句中中用用虚虚拟拟语语气气,形形式式为为:(should)动动词词原原形形。常常这这样样用用的的动动词词有有:advise 劝劝告告,demand 要要求求,desire 渴渴望望,command 命命令令,insist 坚坚持持,prefer 宁
40、宁愿愿,urge 主主张张,order 命命令令,recommend 推推荐荐,request 要要求求,require 要要求求,suggest 建建议议,以以及及这这些些词词的名的名词词形式。形式。Janes pale face suggested that she was ill,and her parents suggested that she(should)have a medical examination.简苍简苍白的白的脸脸色表明她生病了,她父母建色表明她生病了,她父母建议议她做一下医学她做一下医学检查检查。(2)wish后面所跟后面所跟宾语宾语从句中的虚从句中的虚拟语拟语气
41、。气。表示表示对现对现在情况的虚在情况的虚拟拟:wish主主语语动词过动词过去式或去式或were表示表示对过对过去情况的虚去情况的虚拟拟:wish主主语语had过过去分去分词词表示表示对对将来情况的虚将来情况的虚拟拟:wish主主语语would动词动词原形原形I wish she were here.她在她在这这儿就好了。儿就好了。I wish you would go with us tomorrow.但愿你明天跟我但愿你明天跟我们们一一块块去。去。I wish she had taken my advice.那那时时她要是听我的她要是听我的话话就好了。就好了。1.(2010福福 建建 卷卷
42、)Teachers recommend parents_their children under 12 to ride bicycles to school for safety.Anot allow Bdo not allowCmustnt allow Dcouldnt allow解解析析:句句意意为为:为为了了安安全全起起见见,老老师师建建议议家家长长不不要要让让12岁岁以以下下的的孩孩子子骑骑自自行行车车上上学学。本本题题考考查查虚虚拟拟语语气气用用法法。recommend,suggest,insist,order,request,advise等等表表“建建议议、命命令令、要要求求”等等
43、意意思思的的动动词词,后后接接宾宾语语从从句句时时,宾宾语语从从句句的的谓谓语语动动词词常常用用“should动动词词原原形形”,should 可以省略。可以省略。答案:答案:A2(2011山山东东潍潍坊坊质质量量抽抽样样)The order came that the medical supplies _to Beijing for the H1N1 flu soon.Awould be sent Bshould sendCbe sent Dmust be sent解解析析:当当表表示示愿愿望望、请请求求、建建议议、命命令令等等意意义义的的动动词词(如如order,suggest,comma
44、nd等等)后后面面接接从从句句时时,从从句句用用虚虚拟拟语语气气。从从句句谓谓语语用用shoulddo,should可可以以省省略略。order后后的的同同位位语语从从句句也也用用虚虚拟拟语语气气,故故选选C项。项。答案:答案:C(1)would rather 句型中的虚句型中的虚拟语拟语气表示愿望,意气表示愿望,意为为“宁愿,但愿宁愿,但愿”。Id rather we didnt go to see a film this evening.我倒希望我我倒希望我们们今晚不去看今晚不去看电电影。影。(2)It is(high/about)time(that).句型中的虚句型中的虚拟语拟语气气在在
45、句句型型“It is(high/about)time.”后后面面也也可可跟跟虚虚拟拟语语气气,从从句句中中常常用用过过去式。有去式。有时时也用也用“should动词动词原形原形”,意,意为为“该该是是的的时时候了候了”。It is time(that)we went home.我我们该们该回家了。回家了。(3)if only 引引导导的感的感叹叹句中的虚句中的虚拟语拟语气气在在“if only”引引导导的的感感叹叹句句中中,要要求求用用虚虚拟拟语语气气,表表示示愿愿望望。用用过过去去时时或或“would/could动动词词原原形形”表表示示与与现现在在或或未未来来事事实实相相反反的的愿愿望望;
46、用用过过去完成去完成时时表示与表示与过过去事去事实实相反的愿望。相反的愿望。If only I had not been ill last week!要是上周我没病要是上周我没病该该多好啊!多好啊!1.(2010合合肥肥第第三三次次教教学学检检测测)Sorry,Daddy.I am not getting on well with my studies.Well._you hadnt wasted so much time playing online games.AAs if BEven ifCIf only DOnly if解解析析:考考查查虚虚拟拟语语气气。句句意意为为:爸爸爸爸,对对不
47、不起起,我我的的学学习习情情况况不不太太好好。哦哦,要要是是你你不不把把那那么么多多的的时时间间浪浪费费在在网网络络游游戏戏上上就就好好了了。if only(但但愿愿)接接虚虚拟拟语语气气,表表示示对对过过去去情情况况的的假假设设。as if好好像像,even if即即使,使,only if只有,都是状语从句的连词,不符合语意。只有,都是状语从句的连词,不符合语意。答案:答案:C2.(2011青青岛岛一模一模)My uncle suggests I_abroad.I would rather you_at home.Ago;stay Bwent;stayedCgo;stayed Dwent;s
48、tay解解析析:suggest当当“建建议议”讲讲时时,从从句句中中要要用用虚虚拟拟语语气气,结结构构是是“should动动词词原原形形”,should可可以以省省略略。would rather后后面面跟跟从从句句时时,从从句中也要用虚拟语气,根据语境此处应用过去时。句中也要用虚拟语气,根据语境此处应用过去时。答案:答案:C1(2010湖湖南南卷卷)You_buy a gift,but you can if you want to.Amust BmustntChave to Ddont have to解解析析:句句意意为为:你你不不必必买买礼礼物物了了,但但是是如如果果你你愿愿意意的的话话也也
49、可可以以买买。本本题题考考查查情情态态动动词词。根根据据句句意意可可知知此此处处须须用用否否定定形形式式,故故排排除除A、C项项;mustnt 表示禁止;表示禁止;dont have to 意为意为“不必不必”。答案:答案:D2(2010新新课课标标全全国国卷卷)Just be patient.You_expect the world to change so soon.Acant BneedntCmay not Dwill not解解析析:句句意意为为:耐耐心心点点,你你不不能能指指望望这这个个世世界界变变得得如如此此之之快快。本本题题考考查查情情态态动动词词。这这里里用用cant 表表示示
50、“不不能能,不不可可以以,不不可可能能”。neednt没有必要;没有必要;may not 可能不;可能不;will not 将不,都不符合句意。将不,都不符合句意。答案:答案:A3(2010四川卷四川卷)_I take the book out?Im afraid not.AWill BMayCMust DNeed解解析析:句句意意为为:我我可可以以把把书书带带出出去去吗吗?恐恐怕怕不不能能。本本题题考查情态动词。请求对方的允许时常使用考查情态动词。请求对方的允许时常使用can 或或may,故,故B为答案。为答案。答案:答案:B4(2010重重庆庆卷卷)You_park here!Its an