1、高考资源网（） 您身边的高考专家【考向解读】 情态动词用来表示说话人的情绪、态度或语气，在情景交际和虚拟语气中得到广泛使用。情态动词为中学英语考试大纲要求内容，并且是高考内容中的难点之一。其主要考点主要集中在情态动词的基本意义及“情态动词have done”结构的用法。 【命题热点突破一】 情态动词的基本用法 1can和could的用法 (1)表示“能力”。 (2)表示理论上的可能性，“有时候可能会”，用于肯定 句中。 (3)表示礼貌地请求，意为“能，可以”。could可代替can,表示委婉的语气。 (4)cannot.too/enough表示“无论也不过分”；“越越好”。 No one ca
2、n be compared with Yao Ming in playing basketball.在打篮球方面，无人能与姚明相媲美。 It is usually warm in my hometown in March，but it can be rather cold sometimes. 我的家乡三月份通常很暖和，但有时候也会相当冷。 You cant be too careful while driving. 开车时越小心越好。 Could I use your bike tomorrow? 明天我可以用一下你的自行车吗？ Yes，you can./No，Im afraid not.
3、是的，你可以。/不，恐怕不行。2may和might的用法 (1)表示允许、许可、请求，might比may的语气更委婉。 当may用于疑问句时，其否定回答：No，.mustnt。 (2)may as well动词原形“最好；倒不如”。 May I take this book out of the reading room? 我可以把书拿出阅览室吗？ No，you mustnt.You read it in here. 不，绝不可以。你在这儿读。 If you think the price of beef is too high，you may as well buy some pork.It
4、 depends on you.如果你认为牛肉太贵的话，你不妨买些猪肉。这由你自己决定。 3must的用法 (1)表示必要性，意为“必须”。当must用于疑问句时，其否定回答为：No，.neednt/dont have to。 (2)表示偏执，固执，意为“非得，偏要”。 Must you interrupt now? Cant you see Im on the phone？你一定要现在插话吗？难道你没有看到 我 正 在打电话吗？ Sorry sir，but its urgent. 抱歉，先生。但事情紧急。 You mustnt park here！Its an emergency exit.
5、 你不可以在这儿停车！这是紧急出口处。Must I give up smoking？我必须戒烟吗？ Yes，you must./No，you neednt. 是的，你必须。/不，你不必。 4shall的用法 (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或向对方请示。 (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。 Will you read me a story，Mummy? 妈妈，给我讲个故事好吗？ OK.You shall have one if you go to bed as soon as possible.好的，如果你尽快上床睡觉
6、我就给你讲一个。 What time shall I pick you up at your house tomorrow，sir？先生，我明天什么时候到你家接你？ I havent decided on the time.But I will call you. 我还没有决定时间，但是我会给你打电话的。 5should 的用法 (1)表示劝告和建议，意为“应该”。 (2)表示推测、可能性、预期，意为“应该；可能”。 (3)用于表示感情或意志等的that从句中，意为“竟然；居然”。 There shouldnt be any difficulty about passing the road
7、test since you have practiced a lot in the driving school.既然你在驾校训练了那么多，通过路考应该没有什么困难。 I should go and visit him this afternoon，but I wonder if I will be free. 今天下午我应该去看望他，但是我不知道我是否有空。 It seems unfair that this should happen to me. 真不公平，这件事竟然发生在我身上。 6will和would的用法 (1)表示意志或意愿。will指现在，would指过去。 (2)表示习惯性
8、动作,意为“总是”,will指现在,would指过去. (3)表示功能，意为“能，行”。 The door wouldnt open，no matter how hard she pushed. 无论她怎么努力去推，这扇门就是打不开。 Days later，my brother called to say he was all right，but wouldnt say where he was.几天后，我哥哥打电话说他一切 都好，但不愿意说他在哪儿。 Every morning he will have a walk along this river. 每天早晨，他总是沿着这条小河散步。 例
9、1(2015高考北京卷，T29)Cant you stay a little longer? Its getting late.I really _ go now.My daughter is home alone. Amay Bcan Cmust Ddare 【变式探究】 Although you _find bargains in London，its not generally a cheap place to shop. Ashould Bneed Cmust Dcan 【命题热点突破二】 情态动词表示推测 情态动词表示推测三步判断：(1)首先看是肯定句、否定句还是疑问句。肯定句中一般
10、must/may/might；否定句和疑问句中一般用can/could。(2)然后看是对什么时间的推测；表示对现在的推测用“情态动词do”，表示对过去的推测用 “情态动词have done”。(3)最后看句子语气的肯定程度,must(十分肯定)may(不太肯定)could/might(可能性较小)。 例2(2015高考陕西卷，T21)You _ feel all the training a waste of time，but Im a hundred percent sure later youll be grateful you did it. Ashould Bneed Cshall D
11、may 【易错警示】情态动词表示推测的误用高考对情态动词表示推测的考查基本集中在must，may，might，can和could的用法上。要切记：对现在和将来的推测用“情态动词动词原形”；对正在发生的动作的推测用“情态动词be doing”；对过去的推测用“情态动词have done”。Life is unpredictable；even the poorest might become the richest. 生活是不可预料的，甚至最贫穷的可能变成最富有的。 Look! There comes our head teacher.看！我们班主任来了。 That cant be him.He
12、is in Indonesia. 那一定不是他。他现在在印尼。 【变式探究】Has Peter started out？He said he would go hiking with us. He_He is a man of his word. Acould have started Bmust have started Ccould start Dmust start 【命题热点突破三】情态动词have done例3(2015高考天津卷，T7)I _ have worried before I came to the new school，for my classmates here ar
13、e very friendly to me. Amightnt Bmustnt Cneednt Dcouldn t 【变式探究】Why are your eyes so red? You _ have slept well last night. Yeah，I stayed up late writing a report. Acant Bmustnt Cneednt Dwont 【命题热点突破四】 虚拟语气在条件句中的应用 例4(2015高考北京卷，T34)If I _ it with my own eyes，I wouldnt have believed it. Adidnt see Bw
14、erent seeing Cwouldnt see Dhadnt seen 【变式探究】_no modern telecommunications，we would have to wait for weeks to get news from around the world. AWere there BHad there been CIf there are DIf there have been 【命题热点突破五】虚拟语气在其他从句中的应用 例5(2015高考陕西卷，T23)Ellen is a fantastic dancer.I wish I _ as well as her. Ad
15、ance Bwill dance Chad danced Ddanced 【变式探究】Dont handle the vase as if it _ made of steel. Ais Bwere Chas been Dhad been 【易错警示】当suggest作“暗示，表明”，insist作“坚持认为”时，从句要用陈述语气。His silence suggested that he agreed with my decision.他的沉默表明他同意我的决定。He insisted that he hadnt stolen the money.他坚持说他没有偷过钱。【高考真题解读】1.(
16、2015北京，29)Cant you stay a little longer?Its getting late.I really go now.My daughter is home alone.2.(2015浙江，4)It was so noisy that we not hear ourselves speak.3.(2015重庆，12)You be Carol.You havent changed a bit after all these years.4.(2015陕西，21)You feel all the training a waste of time，but Im a hun
17、dred percent sure later youll be grateful you did it.5.(2015四川，2)You be careful with the camera.It costs!6.(2015福建，27)Sorry, Mum! I failed the job interview again.Oh, its too bad.You have made full preparations.7.(2015天津，7)I have worried before I came to the new school, for my classmates here are ve
18、ry friendly to me.8.(2015北京，34)If I (see)it with my own eyes, I wouldnt have believed it.9.(2015重庆，7)Without his wartime experiences, Hemingway (write)his famous novel A Farewell to Arms.10.(2015陕西，23)Ellen is a fantastic dancer.I wish I (dance)as well as her.11.(2015天津，13)I wish I (be)at my sisters wedding last Tuesday, but I was on a business trip in New York then.12.(2015安徽，32)It is lucky we booked a room, or we (have)nowhere to stay now.- 7 - 版权所有高考资源网