中考英语专项6.情态动词讲解及习题练习
2020-2021学年中考英语语法专项讲解训练：情态动词(含答案)
2020-2021学年中考英语语法专项讲解训练：情态动词1、can/could1. 表示“能力”，can表示现在的能力，could 表示过去的能力。
例Can you lift this heavy box?2. 表示推测，通常用于否定句，can’t表示“不可能”，用于表示把握比较大的推测。
例That can’t be Mary, for she is in hospital.3. 表示“请求”和“许可”(could 用来表示“请求”时，是委婉的说法，回答时一般用can)。
例--Could you please do me a favor?--Yes, I can.①-Finish drawing a horse in ten minutes.OK？-Sorry.It________in such a short time.A.may doB.can’t be doneC.must doD.needn’t be done②_______she ride when she was three years old？A.CanB.CouldC.NeedD.May答案：①B ②B2、may/might1. may 和might 在肯定句中表示“允许”，在疑问句中表示“请求”。
might表示请求时，对其进行肯定回答用may/can, 而不用might；对于may的疑问句，肯定回答用“Yes, you may.”，否定回答用“No, youcan't/musn't.”例─May I go fishing with you tomorrow?─Yes, you may. /No, you can't/mustn’t.2. 表示推测，意为“可能，或许”，比can的可能性小。
通常不用于疑问句中。
例She may be at home today.3. may 用于祈使句中表示祝愿。
例May you be happy forever.① -________I have your name，please？-Yes，Michael.M-I-C-H-A-E-L.A.MustB.WillC.MayD.Need② -May I go to the cinema，dad？-No，you________.You must finish your homework first.A.mustn’tB.won’tC.don’tD.needn’t③ -What do you send to your sister as a Christmas gift?-I haven't decided yet. I ________ send her a handbag.答案：①C ②A ③may可能性can﹥could﹥may﹥might礼貌程度might﹥may﹥could﹥can3、must1. 表示义务、必要性、命令等，意为“必须，应该”，更强调主观态度。
中考英语情态动词练习题50题含答案解析
中考英语情态动词练习题50题含答案解析1.You study hard if you want to get good grades.A.canB.couldC.mayD.might答案解析：A。
“can”表示能力，在这里表示“能够”努力学习；“could”表示过去的能力或委婉语气；“may”表示可能性或允许；“might”表示可能性，语气比“may”更弱。
这里强调的是现在有能力努力学习，所以选A。
2.I borrow your pen?A.CanB.CouldC.MayD.Might答案解析：C。
“may”用于请求许可，语气比较正式；“can”更强调能力；“could”表示委婉请求；“might”可能性最小，这里是请求借用钢笔，用“may”更合适。
3.He finish the work on time.A.canB.couldC.may答案解析：A。
“can”表示能力，这里表示他有能力按时完成工作；“could”过去的能力或委婉语气；“may”表示可能性或允许；“might”可能性最小，这里强调能力，选A。
4. you help me with this problem?A.CanB.CouldC.MayD.Might答案解析：B。
“could”在这里表示委婉地请求帮助；“can”语气比较直接；“may”和“might”主要表示可能性和允许，不太符合语境。
5.She come to the party if she has time.A.canB.couldC.mayD.might答案解析：C。
“may”表示可能性，在这里表示她有可能来参加派对如果有时间；“can”表示能力；“could”过去的能力或委婉语气；“might”可能性比“may”更小。
6.We go to the park if it doesn't rain.A.canB.couldD.might答案解析：A。
“can”表示能够，这里表示如果不下雨我们能够去公园；“could”过去的能力或委婉语气；“may”表示可能性或允许；“might”可能性最小。
初中英语情态动词专项练习(附答案解析)
初中英语情态动词专项练习（附答案解析）一、单选题1．—Must I hand in the homework right now?—That's the rule.A．Yes, you can.B．No, you can't.C．Yes, you must.D．No, you mustn't.1．答案C解析句意：—我必须现在交作业吗？—这是规则。
是的,，你必须。
A. Yes,you can.“是的,你能”；B. No,you can't.“不,你不能”；C. Yes,you must.“是的,你必须”；D. No,you mustn't.“不,你禁止”。
回答must引导的一般疑问句，肯定用must，表示"必须"。
故选C。
点评考查情态动词引导的一般疑问句的回答，掌握情态动词must的用法。
2．You don't look well, you __________ see the doctor.A．ought to B．may C．can D．Might 2．答案A解析句意：你看起来不好，你应该去看看医生。
根据“看起来不好”可以得知是应该去。
A. ought to “应该”；B. may “可能”；C. can“ 会”；D. might“可能”。
故选A。
点评考查情态动词，区分ought to；may ；can和might的含义和应用。
3．What a beautiful day! You ______ take your umbrella at all.A．needn't B．mustn't C．can't D．may not 3．答案A解析句意：多好的天气啊!你根本不需要带伞。
A. needn't “不必”；B. mustn't“禁止”；C. can't“不可能”；D. may not“或许不会”。
中考(完整版)英语情态动词专项练习附解析含答案
中考(完整版)英语情态动词专项练习附解析含答案一、选择题1．It’s amazing that the pen ________turn voice into text with few mistakes.A．can B．must C．may D．need2．To my joy, we_________ go to the bank. Mary has lent us some money.A．shouldn’t B．needn’t C．couldn’t D．wouldn’t3．—Be careful! Fire ________ be dangerous sometimes.—OK. I will put it out right away.A．mustn’t B．should C．can D．needn’t4．—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A．must B．could C．shall D．should5．We sh ouldn’t throw any objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height.A．must B．should C．may D．need6．Our Chemistry teacher always tells us we ________ be too hardworking before the exams. A．mustn’t B．shouldn’t C．needn’t D．can’t 7．—Dad, must we wait until the light becomes green?—Yes, I am afraid we ________. That’s the traffic rule.A．may B．can C．have to D．need8．— Is Lang Lang going to perform at Art Center this Friday?— Yes. It ________ be him. He has been here for three days.A．might B．must C．mustn’t D．may 9．Exercise is helpful but it ________ be regular (规律的) exercise.A．must B．may C．can D．need10．You ________ write the report again because spelling mistakes are not allowed at all. A．must B．can C．may D．could11．You'd better __________ hard from now on, __________ you will fail the exam. A．work; and B．working; or C．working; and D．work; or 12．—Hurry up, Jack! Let’s cross the road as fast as possible.—No, you ________. Don’t you see t he light is still red?A．couldn’t B．wouldn’t C．mustn’t D．needn’t 13．When you visit a museum, some instructions should ________ and we’d better not________ them.A．pay attention to; be against B．be paid attention; againstC．be paid attention to; against D．be paid attention to; be against14．It’s of great importance to protect the environment. Each of us ________ take an active part in it.A．can B．may C．would D．should15．If you buy your mum an iRobot floor cleaner, she ________ sweep the floor every day.A．c an’t B．mustn’t C．needn’t D．shouldn’t 16．—Have you decided to take up teaching as career after graduation?—I ________ go abroad for further education instead. But it depends.A．must B．should C．may D．shall17．The boy is very brave．I ________ he ________ the tall tree．A．dare say; dares to climbB．dare to say; dare climbingC．dare saying; dares climbD．dare to say; dares climbed18．---Will you be back early this evening?---Yes, but I ________ be a little late. Our boss sometimes has extra work for us.A．may B．must C．need D．will19．We’ve discussed every detail of this plan and have got everything ready. But still something __________ go wrong. We still have to be very careful.A．must B．should C．would D．may 20．—Amy, I hear you've got many foreign coins．_______ I have a look?—Of course, I'll fetch them for you．A．May B．MustC．Should D．Need21．My bike was broken yesterday，so I____walk home．A．might B．had to C．must D．could 22．—Would you please________in that way? That’s not safe!—Sorry. I won’t do it any more.A．not driving B．not to drive C．no driving D．not drive 23．Dr. Zhong Nanshan once said, "To prevent the spread of this disease, we________never be too careful."A．can B．may C．must D．should 24．Don’t cross the road until the traffic lights turn green. A car_______hit you.A．need B．may C．should D．must 25．—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A．to tell; can't B．telling; needn't C．tell; mustn't D．told; shouldn't 26．You ________ pay too much attention to protecting yourself if you plan to go abroad. A．mustn’t B．can’t C．shouldn’t D．needn’t27．To avoid ________, we’d better ________ the parents’ meeting online.A．gather; hold B．gathering; hold C．gather; holding D．to gather; to hold 28．You ________ require others to do with the problem like you. Everyone has his own way. A．mustn’t B．needn’t C．may not D．shouldn’t 29．—How do you like my new dress?—Well, if I ________ say, it is not suitable for you.A．may B．must C．have to D．should 30．—Must the children leave at six tomorrow morning?—No, they _______. They can have more time to get ready for the trip.A．can’t B．needn’t C．mustn’t D．may not 31．—Mum, why do I have to wear a mask before entering the supermarket?—For your health and safety, you ________ be too careful.A．shouldn’t B．can’t C．mustn’t D．needn’t 32．According to the rule, used batteries ________ be dropped in the red bin for harmful wastes. A．may B．would C．should D．might33．You _________ smoke here! Look at the sign. It says "No smoking".A．needn't B．mustn't C．can D．may34．— Listen! Tom ________ be listening to the music while doing his homework.—Let’s go upstairs to remind him to turn it off.A．should B．could C．would D．must35．—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A．can B．may C．can’t D．shouldn’t 36．Never throw objects from the building. Even a small object ________ cause serious injuries, or death, when dropped from a great height.A．must B．should C．may D．need37．—The high school entrance examination is coming!— Yes, our teacher tells us we ________ be too careful while taking exams.A．mustn’t B．shouldn’t C．needn’t D．can’t38．— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A．needn’t B．shou ldn’t C．mustn’t D．can’t39．—Is it really necessary for me to go shopping with a mask on?—I’m afraid you ________ in public. It is not only to protect yourself but also to protect others. A．must B．should C．can D．need40．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May41．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined. A．may B．will C．can D．must 42．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry. A．should B．would C．must D．can43．—Could you tell me how to renew the library books?—With pleasure. You ________ come to our desk every time. It’s easier to renew them online. A．can’t B．mustn’t C．needn’t D．shouldn’t44．For the safety of the passengers, objects like guns ________ be carried on board.A．may not B．needn’t C．might not D．mustn’t 45．—The article says that a person’s animal sign decides his personality.—You ________ read it for fun, but don’t believe in that.A．can B．must C．shouldn’t D．needn’t 46．—How beautiful the winter jasmines (迎春花) are!—Yes. These golden-yellow flowers ________ be widely seen in my city in March.A．must B．can C．would D．should 47．—Mum, I bought some strawberries on my way home.—Oh, you’re so sweet. But the strawbe rries ________ be put into the fridge for freshness. A．must B．can C．may D．need48．— What do you think of the show yesterday?— Some of them were really good but others ________ be better.A．will B．must C．need D．can49．—May I have some wine to drink?—No, you ________. You have to drive home later.A．mustn’t B．needn’t C．can’t D．may not 50．—Will Jim come to Yangzhou for a holiday?—He ________come and it depends on how much homework he will have.A．may B．should C．must D．need【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【详解】句意：神奇的是，这支笔能把声音转换成文字，而且很少出错。
中考英语 情态动词 (含答案)
—Wow! This is delicious!
A.must
答案
B.will
C.shall
D.can
B 句意:——尝一尝这个汤,你会喜欢的。——哇!这个很好喝!本题考查情态动词。A:必须;B:会;C:
应该;D:能,可以。根据答句中“这个很好喝”可知此处应该表达“你会喜欢的”,故本题选择B。
5.(2019黑龙江齐齐哈尔,5)—The summer vacation is coming. Have you made a plan for it?
8.(2019广东,42)Dirty air and water are harmful. They kill plants, and even people.
A.can
答案
B.can't
C.should
D.shouldn't
A 句意:肮脏的空气和水是有害的。它们能杀死植物甚至人。本题考查情态动词。can能;can't不
A.must
答案
B.could
C.would
this Sunday.
D.should
C 句意:杰里没有把钱还给我,但是他许诺本周日还我。本题考查情态动词的用法。A.必须;B.可
以;C.会,将会;D.应该。根据he promised及时间状语this Sunday可知宾语从句的时态为过去将来时,故选C
D.needn't
C 句意:——有些人在一开始时没表现出他们的天赋。——我同意。即使爱因斯坦也是到他7岁
时才能阅读。本题考查情态动词。can't不能;mustn't禁止;couldn't不能,can't的过去式;needn't不需要。根
初三英语情态动词专项练习(含答案和解析)含解析
初三英语情态动词专项练习(含答案和解析)含解析一、选择题1．—Would you like a small or a large bowl of noodles? —_______. I’m very hungry.A．A small bowl B．A large bowl C．Yes, please D．No, thanks 2．—Anna, can you come to my party tomorrow night?—_________, but I have to stay at home because of the flu.A．I’d love to B．Sounds good C．That’s OK D．Why not 3．—I’m afraid I can’t find the key to the car.—______. I’ll wait for you. We have enough time.A．Hurry up B．All rightC．It is up to you D．Hold your horses4．— I find it difficult to fall asleep before exams. Could you help me?— ___________. We have helped many students with similar problems.A．No problem B．Come on C．Well done D．What a pity 5．—I was too busy to see the singing competition.—________. I have to say it’s really wonderful.A．No problem B．You are welcome C．Not at all D．It’s a pity 6．—I’m afraid I can’t get good grades in the P.E. exam.—________! Train as much as you can.A．Well done B．Keep trying C．Enjoy yourself D．Be careful 7．—________.—It’s a pleasure.A．Don’t worry abo ut the task B．Thank you for showing me around C．Be careful when you travel D．You’d better get up now8．—I’m afraid I can’t do well in the sports meeting. I might let my classmates down.—_______. You don’t need to push yourself too hard.A．It’s a pleasure B．What a pity C．Take it easy D．You’re welcome 9．—It's a shame to ask you to lend me more money, but. . .— ______ . You really need money to keep on with your education.A．Don't be silly B．Forget it C．No way D．Don't mention it 10．–This box is too heavy for me to carry upstairs.–__________A．You may ask for help B．I’ll give you a handC．Please do me a favor D．I’d come to help11．—I prefer western food. It’s delicious and good for us.—_______ ? But western food is said to be high in sugar and fat.A．Is that right B．How do you know thatC．Do you really think so D．Who told you that12．—Liz, I’d like to take a week’s holiday.—________. We’re as busy as a bee.A．Go ahead B．With pleasure C．Forget it D．That’s right13．— What do you think of the movie Mr. Bea ?—____. It’s very funny.A．I can’t stand it .B．I don’t mind it C．I love it. D．I hate it.14．—I just got a message from Ms. Yang and she said she would come to our meeting this afternoon.— She always has good ideas.A．Why not? B．What a pity! C．Time is up. D．That’ll be very nice. 15．-Do you mind telling me how to use this function? - . It’s easy. Just double-click on the “Pencil” icon.A．No, not at all B．Of course, I doC．Yes, I do D．Yes, I don’t16．— Shall we go to Nanjing Green Expo Park to enjoy the beautiful flowers this afternoon?—________. Let’s go there by bike.A．I think so B．That’s all right C．My pleasure D．Sounds great 17．—I have got a new job as a presenter in the Wenzhou Radio Station!—________.A．Come on B．Good idea C．Congratulations D．All right 18．—TV says there will be a heavy rain tomorrow.—________. I planned to go climbing with my friend.A．Bad luck B．I hope so C．Good idea D．I don’t mind 19．—Sir, this is your order, two chicken hamburgers and a cup of coffee. ________—I’ll have them here.A．For here or to go? B．Something to drink? C．Anything else? D．Is that OK? 20．—I missed the basketball game last Saturday because I had an exam.—________, but it will be repeated on TV.A．Take it easy B．You are lucky C．That’s wonderful D．Never mind 21．—Do you like cartoons or scary movies?—_______. They can cheer me up.A．Yes, I do B．No, I don't C．Cartoons D．Scary movies 22．—Excuse me, can you give me some water? The cup is empty.—________A．Go ahead. B．My pleasure C．At your service D．You’d better not. 23．—You seem so happy today, Jack.—________? I won the first prize in the singing competition yesterday.A．So what B．How come C．Guess what D．Why not 24．—Jim seems to be in low spirits. ________?—No one liked his plan. All his efforts were useless.A．Guess what B．What about him C．So what D．What happened 25．--Would you mind opening the window? It’s too hot.--__________.A．Sorry. I wouldn’t.B．No, of course not.C．It doesn’t matter.D．Yes, please.26．—I’ll be away on a business trip. Would you mind looking after my cat?—Not at all. ________.A．It’s my pleasure B．I’d rather not.C．I’d like it.D．With pleasure. 27．—Could you help me look after my baby ________ I am away?—________.A．as; With pleasure B．while; My pleasure C．as; That’s all right D．while; With pleasure28．—How would you like your soup?—________.A．Very delicious B．With some tomatoes and eggs, pleaseC．I like it very much D．No, thanks29．—Time is up. I have to go now.—________ ! We don’t have more time to talk.A．That’s cool B．That’s the answer C．That’s a pity D．That’s good news 30．—How do you find the documentary DA VID Profile(国宝档案).—________. I can’t think too highly of it.A．It all depends B．It’s really wonderfulC．No one knows for certain D．It is not my cup of tea31．— Why will you take part in the charity walk? You are not good at running at all.— ________. I run to show that I can help others.A．Not exactly B．That’s not the point C．I can’t agree more D．It sounds like a pity 32．—Shall we go to the amusement park right away or the day after tomorrow?—________. Any time will do.A．Excuse me B．Have a good timeC．It’s up to you D．I’m afraid I can’t33．— Mr. Smith, I won the first prize in the competition.—______ I think you’ll do better and better.A．Congratulations! B．Good idea! C．That’s all right!D．What a shame! 34．—Oh, my love, you say you have ordered a dozen cups of bubble tea (奶茶)?—________A．Agree. B．Forget it. C．I really do. D．Are you kidding me? 35．—Hi, everybody! Here is the music.—________. L et’s dance to the music.A．That’s no good B．Here we go C．That’s a shame D．Have a good time 36．— Mike, are you ready for the coming final exam?— ________. I have prepared it for weeks.A．You bet B．No deal C．Bad luck D．Have fun 37．—The game is too hard for me. I will certainly lose.—________. You should never say no before you try.A．Forget it! B．Come on! C．I’m sorry.D．Pardon me?38．—How about buying that coat?—________. It’s too expensive. I can’t afford it.A．That sounds good B．No way C．Good idea D．What a pity 39．—Can you tell me how to get to the park?—________—Thank you all the same.A．Show me the map, please.B．Certainly. It’s opposite the museum.C．Sorry, I don’t know. I’m a stranger here.D．Sure. Turn right and go along Rock Road.40．— Would you mind my turning on the TV? The New Year concert has just begun.— ________. Just go ahead.A．Please don’t B．Better not C．Of course not D．I’m afraid not 41．—I prefer to chat online. I’ve got to know many friends on the Internet.—________. Few of them would become your real friends.A．I can’t agree more B．I’m pleased to know thatC．That’s for sure D．That’s not the case42．—Do you think you could finish this project without help?—________. This is not the first time for me.A．Take care B．Don’t worry C．Not exactly D．Hurry up 43．—We can invite Kate and Paul to Baohe Park with us.—________ I’ll give them a call right now.A．Why not? B．What for? C．What’s up?D．Are you kidding? 44．—We’ll study in different schools next term. I hope you’ll enjoy your time in the new school!—________A．I’ll take your advice. B．The same to you. C．Congratulations!D．It doesn’t matter.45．— The dress I got is not the same color as that is shown online.—________? But if so, I promise we will send you another one.A．How come B．Who knows C．What for D．Why worry 46．—Michael was late for Mr. Smith’s chemistry class this morning.—________? As far as I know, he never came late to class.A．So what B．Why not C．How come D．Who cares 47．—Another Friday! Let’s go to see the play tonight.—________ I will book the tickets online.A．My pleasure. B．That’s right.C．Why not? D．Never mind. 48．—Can I look at the menu for a few more minutes before I decide?—Of course. ________, Sir.A．Make yourself at home B．Enjoy yourself C．It doesn’t matterD．Take your time49．—I’m so sorry to keep you waiting for me so long.— ________!A．With pleasure. B．Don’t say so C．I don’t think so D．It doesn’t matter 50．—________!—Yes. It sounds gentle and relaxing.A．How good the vegetable soup is B．How exciting the storybook isC．What nice music Ann is playing D．What a beautiful flower Jim keeps【参考答案】***试卷处理标记，请不要删除一、选择题1．B【解析】情景交际. A small bowl一小碗;A large bowl一大碗;Yes, please 是的,请吧; No, thanks 不,谢谢. 句意:你想要一大碗还是一小碗面条?根解析：B【解析】情景交际. A small bowl一小碗;A large bowl一大碗;Yes, please 是的,请吧; No, thanks 不,谢谢.句意:你想要一大碗还是一小碗面条?根据后文I’m very hungry，可知答案为B2．A【详解】句意：——安娜，你能来参加我明晚的聚会吗？——我很想去，但是因为流感我不得不呆在家里。
人教版中考英语复习专题情态动词解题技巧(超强)及练习题(含答案)
人教版中考英语复习专题情态动词解题技巧(超强)及练习题(含答案)一、初中英语情态动词1．— Dick, ________ I use your e-dictionary? — Yes, sure. ________ you give it to David after you use it?A. will; WouldB. may; MightC. can; CouldD. shall; Should【答案】 C【解析】【分析】句意:一Dick我可用一下你的电子词典吗?一当然可以。
在你用完后你能把它给他David吗？根据句意及题干分析第一空表示请求允许，所以可以用may或can;第二空是表示对别人的请求.所以用could表示更加委婉，故选C。
2．—Where is George?—He _______ be here just now. His coffee is still warm.A. needB. can'tC. mustD. shouldn't【答案】 C【解析】【分析】句意：——乔治在哪里？——他刚才一定在这里，他的咖啡还是热的。
A. need需要； B. can't 不能，不可能（表示推测）； C. must 必须，一定（表示推测）； D. shouldn't不应该；根据His coffee is still warm.可知表示肯定推测一定在这儿；故答案为C。
【点评】考查情态动词。
掌握情态动词表推测时的意义和用法。
3．A hard-working man ______ become a great scientist, but a great scientist _______ be a hard-working man.A. can't; canB. may not; mustC. can't; mustD. may not; can【答案】 B【解析】【分析】句意：一个勤奋的人可能不会成为一位伟大的科学家，但是一位伟大的科学家一定是一个勤奋的人。
中考英语情态动词专项练习与解析
中考英语：情态动词强化练习100题第一部分:1-50 专题练习第二部分:51-100真题解析1．—Must I go to law school and be a lawyer like you，Dad？—No，you _____，son．You're free to make your own decision．A．can't B．mustn't C．shouldn't D．needn't 2．—You look very pretty, if I say so.—Thanks a lot for saying that.A．must B．may C．will D．have to 3．—I saw your mother in the library just now.—It ______ be her. She went to Beijing yesterday.A．can't B．mustn't C．needn't4．—I hear you've got a new watch. ______ I have a look?—Yes, you may.A．Do B．May C．Should D．Shall 5．You are supposed to bow when you meet someone from Korea.A．must B．should C．would D．can6．All passengers ______ go through safety check before they take a plane.A．can B．may C．must D．could 7．—Must I practice the violin right now?—No, you _____. You ______ do it later on.A．mustn't; may B．shouldn't; mightC．needn't; may D．needn't; must8．You ______ walk to close to the edge of the hill because you might fall and hurt yourselves.A．mustn't B．must C．can D．needn't 9．—Mum, I play football this afternoon?—Sure, but you finish your homework first.A．may; could B．can; must C．can; mustn't D．may; can't 10．—Could you go to the bookshop with me? I want to buy The Grass House by Cao Wenxuan.—Sorry, I . I've promised Mum to go home right after school.A．can't B．couldn't C．needn't D．mustn't 11．—Excuse me, sir, visiting hours are over. You leave.—Pardon me, nurse. I didn't hear the bell.A．may B．can C．must D．need 12．You take me to the station. My brother's taking me.A．can't B．mustn't C．shouldn't D．don't have to 13．2016•连云港）—Shall we take a car?—No, we . It's only five minutes' walk.A．can't B．mustn't C．needn't D．couldn't 14．— Finally, they came back.— They be hungry after such a long walk.A．can't B．must C．neednt15．— Sorry, Miss Liu. I left my workbook at home. Must I hand it in today?— No, you . You bring it here tomorrow.A．mustn't; should B．can't; mustC．mustn't; may D．needn't; can16．—Must I clean the room now?—No, you . You can do it later.A．needn't B．can't C．may not17．— Whose is this book written by Yang Jiang?— Carol's favorite writer is Yang Jiang. It be hers.A．mustn't B．must C．can't D．can 18．— What does Justin Bieber's song Never Say Never impress you most?— It tells us that we do almost anything if we never give up.A．can B．have to C．should D．need 19．You have already tried your best，so you _________ worry about the matter.A．can't B．needn't C．mustn't D．couldn't 20．I be a little bit slow, but at least I don't make foolish mistakes．A．should B．may C．must D．need 21．Chairperson Xi calls on us to do what we can ____ as much as possible.A．save B．to save C．saved D．saving 22．We __________ pay to get into the concert. It's free.A．can't B．mustn't C．might not D．don't have to 23．— Who's that woman? Is it Ms. Li?— It ______ be her. She has gone to Britain.A．may B．must C．can't D．mustn't 24．— _________ I take my cousin Shirley with us, Mr. Wu？— Yes, but we'll get there by bike. ____________ she ride a bike?— Yes, and she ___________ ride a bike when she was only six years old.A．Could; can; could B．Can; can; canC．Can; could; could D．Could; could; can25．— Is this e-dictionary Jack's?— No, it_______ his. His is much newer.A．can't be B．mustn't be C．may be D．should be 26．Whose pen is it? It____ Peter's. His name is on the cover.A．must B．might C．can't D．need 27．— Isn't that your new English teacher over there?— No, it ______ be her. She doesn't have long hair.A．can't B．must not C．won't D．may not 28．Is Mr. Smith in his office now?No, he there. I saw him in the library a minute ago.A．may be B．must be C．can't be D．won't be 29．— I saw Mr. Green at school this morning.— No, it _____ him. He flew to Canada last week.A．can be B．must be C．can't be 30．—Ann, are you hurrying out?—I __________ go now or I'll be late for the meeting.A．must B．can C．needn't D．don't have to 31．—That must be Mr. John.—No, it ________ be him. I saw him off at the airport half an hour ago.A．may not B．mustn't C．can't D．needn't32．—Must I give the dictionary back to the library now?—No, You _______. You can _______ it for another two weeks.A．needn't; know B．needn't; keep C．mustn't; lend D．mustn't; keep 33．—I can't stop playing computer games.—For your health, my boy. I'm afraid you _______.A．can B．may C．must D．have to 34．—Can I wear the coat to school, mom?—No, you can't. You _______ wear the school uniform, or your teacher will be angry.A．might B．must C．will D．can 35．—Must I give the dictionary back to the library now?—No, You _______. You can _______ it for another two weeks.A．needn't; know B．needn't; keep C．mustn't; lend D．mustn't; keep 36．—I can't stop playing computer games.—For your health, my boy. I'm afraid you _______.A．can B．may C．must D．have to 37．—Is Jessica giving us a speech this evening?—No, it _______ be her. She _______ to Japan.A．mustn't; has gone B．mustn't; has beenC．can't; has gone D．can't; has been38．—Can I wear the coat to school, mom?—No, you can't. You _______ wear the school uniform, or your teacher will be angry.A．might B．must C．will D．can 39．—Is Jessica giving us a speech this evening?—No, it _______ be her. She _______ to Japan.A．mustn't; has gone B．mustn't; has beenC．can't; has gone D．can't; has been40．—The man at the gate _______ be our headmaster. He is always standing there every morning.—No, it _______ be him. He is holding a meeting in the office now.A．must; can't B．must; mustn'tC．can't; can't D．can't; mustn't41．—The man at the gate _______ be our headmaster. He is always standing there every morning.—No, it _______ be him. He is holding a meeting in the office now.A．must; can't B．must; mustn'tC．can't; can't D．can't; mustn't42．—Look, Jim is talking to his friend under the tree.—It _______ be him. He has _______ back to Canada.A．can't; gone B．can't; been C．may not; been D．mustn't; gone 43．—Look, Jim is talking to his friend under the tree.—It _______ be him. He has _______ back to Canada.A．can’t; gone B．can’t; beenC．may not; been D．mustn’t; gone44．Finish your homework first,and then you'll watch TV for an hour.A．can B．be able to C．able to D．could 45．—— Must I be home before eight o'clock, Mum?—— No, you . But you have to come back before ten o'clock.A．mustn't B．can't C．needn't D．couldn't 46．— Must I do the rest of the work today?— No, you finish it tomorrow.A．must B．can C．needn't D．can't 47．—Anna, must I return the book to you today?—No, you . You can read it for another two days.A．mustn't B．can't C．needn't D．shouldn't 48．—Are you going to Beijing by plane?—It's fast, but expensive. So I am not sure. I take a train.A．should B．may C．must D．will 49．—What time will we arrive there?—You had better 8 o'clock.A．be supposed to B．should C．can D．shall 50．—Is the man over there Mr. Miller?—It ______ be him. He has gone to Shanghai on business.A．might B．must C．can't D．mustn't答案解析部分1．D2．B3．A4．B5．B6．C7．C8．A9．B10．A11．C12．D13．C14．B15．D16．A17．B18．A19．B20．B21．B22．D23．C24．A25．A 26．A 27．A 28．C 29．C 30．A 31．C 32．B 33．D 34．B 35．B 36．D 37．C 38．B 39．C 40．A 41．A 42．A 43．A 44．B 45．C 46．B 47．C 48．B 49．A 50．C中考英语：情态动词强化练习100题第一部分:1-50 专题练习第二部分:51-100真题解析1．Only plants and animals that need very little water __________live in a desert.A．can B．need C．must全面解析：只有需要很少水的植物和动物才能在沙漠中生活。
中考英语复习专题6.+情态动词can的用法
专题六. 情态动词Can的用法一．情态动词情态动词是动词的一种，表示说话人对某动作的观点，如需要、可能、意愿、怀疑等。
注意：①情态动词一般没有人称和数的变化，有的情态动词没有时态的变化，如must。
②不能单独作谓语动词，必须和不带to 的动词原形连用。
③常见情态动词有can, may, must, have to, should, would，could, will等。
二．情态动词can的用法表能力，“能，会”I can play the piano.我会弹钢琴。
表请求，许可“可以”Can I go to the movies? 我可以去看电影吗？表推测，“可能”常用于否定或疑问句。
The book can’t be Mary’s, because hers in her desk.那本书不可能是玛丽的，因为她的在书桌里。
三．Can的基本句式结构句型基本结构例句肯定句主语+can+动词原形+其它I can play tennis.我会打网球。
否定句主语+can not(can't/cannot)+动词原形+其它She can’t speak Chinese.她不会说中文。
一般疑问句Can+主语+动词原形+其它?肯定答语: Yes,主语+can. Can you speakEnglish?你会说中文吗？Yes, I can.是的，我会否定答语: No,主语+can't.No, I can’t.不，我不会。
特殊疑问句①疑问词+can+主语+动词原形+其它?②疑问词+can+动词原形+其它?Who can sing English songs?谁会唱英文歌？What can you do?你会做什么？练习一．单选题1.—________ you speak English?—Yes, I can.A.MayB.MustC. CanD.Should2.I can _________ basketball when I was six.A.playB.playingC.playedD.to play3.My little sister _______ speak,but she _______ can write.A. can;canB. can;can’tC. can’t ;canD.can; should4.I can _______ to the movies this weekend.A. goesB. goC. to goD. going5. —Can you play the guitar?—________. I can play it when I was eight.A.Yes, I can.B. Yes,I can’t.C. No, I can.D. No, I can’t.二．完成句子1.I can read English stories.①改否定句_____________________________________②一般疑问句_____________________________________③划线部分提问_____________________________________2.Mary can speak English.①改一般疑问句：_______ Mary _______ English?②做肯定回答: ________________③做否定回答: ________________3.He can play soccer very well.①改否定句_____________________________________②一般疑问句_____________________________________③划线部分提问_____________________________________4.露西可以加入社团吗？___________________________________5.但是我不会演奏任何的乐器。
2021年上海市中考英语语法复习：情态动词讲解及提升练习(有答案)
中考语法复习：情态动词讲解及提升练习一．定义：情态动词主要用于表示说话人的态度和看法。
情态动词不能单独使用必须与动词原形一起构成谓语，其否定式是在情态动词后加否定词not。
一般疑问句则将情态动词提至句首。
二、基本形式：三基本用法1. can 的用法1)表能力can表能力时意味着凭体力或脑力或技术等可以无甚阻力地去做某事。
I can climb this pole. 我能爬这根杆子。
He is only four , but he can read. 他只有4岁，但已认得字了。
Fire can’t destroy gold. 火烧不毁金子。
2)表可能性多用于否定与疑问结构中，但也可用在肯定句中。
Can the news be true? 这消息可能是真的吗？It can’t be true. 它不可能是真的。
What can he possibly mean? 他可能是什么意思？3)表示允许（和may意思相近）常见于口语。
Can (May) I come in ? 我能进来吗？Can I smoke here ? 我可以在这里抽烟吗？2.could的用法1)表过去的可能和许可，Father said I could swim in the river. 爸爸说我可以在河里游泳。
2)表过去的能力I could swim when I was only six. 我刚六岁就能游泳。
3)表“允许”。
可表示委婉客气的提出问题或陈述看法,不是can的过去时态。
---Could I use your bike? ---Yes, you can./No, you can’t.注意：be able to 表示能力，意为“能够做成某事”，相当于can 的用法，但是有区别：can泛指一般的能力；be able to 则主要指成功做了某件事的能力。
3. may（might）的用法1)表示请求、可以、允许。
You may drive the tractor. 你可以开那台拖拉机。
人教版中考英语专项训练情态动词专题(含答案)
人教版中考英语专项训练情态动词专题(含答案)一、初中英语情态动词1．— I take the magazine out of the reading room?— I'm sorry you .A. Could; couldn'tB. Must; couldn'tC. Will; can'tD. May; can't【答案】 D【解析】【分析】句意：——我可以把杂志带出阅览室吗？——对不起，你不能。
could 能，可以；must必须；will将；may可以；can能，可以，can't不可以，不能。
此处表示请求许可，用could或者may，由could或者may构成的一般疑问句，肯定回答用yes，主语+can，否定回答用sorry，主语+can't，结合选项，故答案选D。
【点评】考查情态动词的辨析。
注意理解句意，理解选项，根据语境，选出正确的答案。
2．—Where is George?—He _______ be here just now. His coffee is still warm.A. needB. can'tC. mustD. shouldn't【答案】 C【解析】【分析】句意：——乔治在哪里？——他刚才一定在这里，他的咖啡还是热的。
A. need需要； B. can't 不能，不可能（表示推测）； C. must 必须，一定（表示推测）； D. shouldn't不应该；根据His coffee is still warm.可知表示肯定推测一定在这儿；故答案为C。
【点评】考查情态动词。
掌握情态动词表推测时的意义和用法。
3．— Sorry, I forgot to take money with me. Maybe I can't buy the book you like.— Mum, you ______ worry about it. We can pay by Alipay （支付宝）.A. can'tB. needn'tC. mustn'tD. shouldn't【答案】 B【解析】【分析】句意：——对不起，我忘记带钱了。
初中英语情态动词详细用法归纳(含练习及答案)
初中英语情态动词详细用法归纳（含练习及答案）情态动词有具体的词义, 但也同助动词一样, 需要与其他词语一起构成句子的谓语, 另外情态动词没有人称和数的变化, 情态动词后必须跟动词原形。
1.ca.的用法:（1）.表示能力、许可、可能性.表示能力时一般译为“能、会”.即有种能力, 尤其是生来具备的能力.如：Sh.ca.swi.fast.bu..can’.. 她能游得很快, 但我不能。
.ca.se.wit.m.eyes.我用眼睛看。
could是can的过去式。
表示过去的能力.b.abl.t.d.sth.常常指经过努力，花费了时间和劳力之后才能做到某事。
is/am/ar.abl.t.d.sthwas/were able to do sth.（2）.表示许可, 常在口语中。
如: .m.dictionary..你可以用我的字典。
（3）.表示推测, 可能性, 意为“可能”.常用于否定句和疑问句中.此时can’.译为.不可能”.如：Ca.th.new.b.true.这个消息会是真的吗？—Ca.i.b.ou.teacher?那个人有可能是我们老师吗？—No.i.can’.b.ou.teacher.H.i.o..visi.t.th.Grea.Wall.不可能。
咱们老师正在游览长城呢。
【例题】—.thin.Mis.Ga.mus.b.i.th.library.Sh.sai.sh.woul.g.there.—No.Sh.__b.there..hav.jus.bee.there..A.can’.B.mustn’.C.needn’.D.wouldn’t【解析】根据下文“我刚去过那儿”可知, 应为“不可能”, can’t 表示推测[答案] Acould的用法:（1）.can的过去式, 意为.能.会”, 表示过去的能力。
如: H.coul.writ.poem.whe.h.wa.10. 他十岁时就会写诗。
（2）.could在疑问句中, 表示委婉的语气, 此.coul.没有过去式的意思。
中考英语专项6.情态动词讲解及习题
初中英语情态动词用法详解【情态动词知识梳理】情态动词有具体的词义，但也同助动词一样，需要与其他词语一起构成句子的谓语,另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。
考点一:ｃan，may，mｕst等情态动词在陈述句中的用法：1. can的用法：(1)．表示能力、许可、可能性。
表示能力时一般译为“能、会”,即有种能力，尤其是生来具备的能力,此时maｙ和musｔ均不可代替它。
如:She ｃaｎswim faｓt, ｂut I can’t .（2).表示许可，常在口语中。
如：You cａn uｓｅmｙｄiｃtｉｏnary.(3）.表示推测，意为“可能”，常用于否定句和疑问句中，此时cａn’t译为“不可能”。
如：Canｔhｅneｗs ｂｅtｒue?—Ｎo，itｃan’t bｅouｒｔeacher.Hｅis on ａv ｉｓit ｔoｔhe Gｒeat Waｌl.２. couｌｄ的用法：(１).can的过去式,意为“能、会”,表示过去的能力。
如：Hｅcｏulｄｗriｔｅpｏemｓwheｎhe was 10.（2)．coｕld在疑问句中,表示委婉的语气，此时ｃouｌd没有过去式的意思。
如：Coulｄyou dｏme a favoｕr?—CｏｕlｄＩuseｙoｕr ｐeｎ？—Yes, yｏu can．（注意回答）3.ｍaｙ的用法:（1）.表示请求、许可,比can正式，如：May I boｒrｏｗyourｂike? Ｙou ｍay gｏho ｍe now.（2) ．表示推测,谈论可能性，意为“可能，或许”，一般用于肯定句中。
如:It mayｒain tｏｍorｒｏｗ. Shｅmａy be aｔhoｍｅ.(3)．may的过去式为miｇht,表示推测时。
可能性低于may。
如:Hｅiｓaway from sch ｏｏｌ. Ｈｅmight be ｓiｃk．（4) ．表示希望、祈求、祝愿,常可译为“祝愿”。
通常是用may +主＋V例如:Maｙyo ｕhaｖｅ a gooｄtime．Ｍａｙyｏu beｈａｐpy! Mayｙou sｕcｃeｅd！4. must的用法:(1）.must表示主观看法,意为“必须、一定”。
初三中考(完整版)英语情态动词专题(练习题含答案)含解析
初三中考(完整版)英语情态动词专题(练习题含答案)含解析一、选择题1．—Have you decided to take up teaching as career after graduation?—I ________ go abroad for further education instead. But it depends.A．must B．should C．may D．shall2．Don’t cross the road until the traffic lights turn green. A car_______hit you.A．need B．may C．should D．must3．—May I have some wine to drink?—No, you ________. You have to drive home later.A．mustn’t B．needn’t C．can’t D．may not4．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t5．—I think they are enough. We ________ make so many chairs.—I don’t think so. Because nearly a quarter of them need ________.A．don’t need to; mending B．needed; to be mendedC．don’t need; mend D．need; to mend6．—Do we have to finish this today?—Yes, you ________ . Today is the last day.A．would B．may C．can D．must 7．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules. A．can B．will C．may D．must 8．—Hurry up, Jack! Let’s cross the r oad as fast as possible.—No, you ________. Don’t you see the light is still red?A．couldn’t B．wouldn’t C．mustn’t D．needn’t 9．Exercise is helpful but it ________ be regular (规律的) exercise.A．must B．may C．can D．need10．You ________ write the report again because spelling mistakes are not allowed at all. A．must B．can C．may D．could 11．—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A．to tell; can't B．telling; needn't C．tell; mustn't D．told; shouldn't 12．—Mum, I bought some strawberries on my way home.—Oh, you’re so sweet. But the strawberries ________ be put into the fridge for freshness. A．must B．can C．may D．need13．It’s amazing that the pen ________turn voice into text with few mistakes.A．can B．must C．may D．need 14．—How beautiful the winter jasmines (迎春花) are!—Yes. These golden-yellow flowers ________ be widely seen in my city in March.A．must B．can C．would D．should 15．Please don't make so much noise. I ________ hear the speaker very well.A．needn't B．can't C．shouldn't D．mustn't 16．—The high school entrance examination is coming!—Yes, our teacher tells us we _______ be too careful while taking exams．A．mustn't B．shouldn't C．needn't D．can't17．---Will you be back early this evening?---Yes, but I ________ be a little late. Our boss sometimes has extra work for us.A．may B．must C．need D．will18．We’ve discussed every detail of this plan and have got everything ready. But still something __________ go wrong. We still have to be very careful.A．must B．should C．would D．may 19．—Amy, I hear you've got many foreign coins．_______ I have a look?—Of course, I'll fetch them for you．A．May B．MustC．Should D．Need20．You ______ pay too much attention to your pronunciation, as it is so important in the oral （口头的） test.A．shouldn’t B．mustn’t C．can’t D．needn’t 21．—Shall we go camping this summer holiday?—Nothing________be better.A．should B．could C．must D．may22．My bike was broken yesterday，so I____walk home．A．might B．had to C．must D．could 23．—Would you pl ease________in that way? That’s not safe!—Sorry. I won’t do it any more.A．not driving B．not to drive C．no driving D．not drive 24．Dr. Zhong Nanshan once said, "To prevent the spread of this disease, we________never be too careful."A．can B．may C．must D．should25．— Mom, must I clean my room now?— No, you ________. You can do it after dinner.A．needn’t B．mustn’t C．shouldn’t D．can’t 26．When people are waiting at the zebra crossing, cars and buses ________ wait and let them go first.A．must B．may C．can D．need27．Hurry up, or we ________ miss the beginning of the film.A．should B．must C．may D．have to 28．You ________ require others to do with the problem like you. Everyone has his own way. A．mustn’t B．needn’t C．may not D．shouldn’t 29．—How do you like my new dress?—Well, if I ________ say, it is not suitable for you.A．may B．must C．have to D．should 30．—Must the children leave at six tomorrow morning?—No, they _______. They can have more time to get ready for the trip.A．can’t B．needn’t C．mustn’t D．may not 31．— Listen! Tom ________ be listening to the music while doing his homework.—Let’s go upstairs to remind him to turn it off.A．should B．could C．would D．must 32．—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A．needn’t B．shouldn’t C．can’t D．mustn’t33．We've discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．may 34．—Suzy described every detail of the accident just now.—Her memory ________ be completely back.A．shall B．need C．must D．could35．—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A．can B．may C．can’t D．shouldn’t36．I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A．mustn’t B．don’t need C．needn’t D．can’t37．—In China, many students have to stay up late to do their homework.—No worries. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．must D．need38．— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A．needn’t B．shouldn’t C．mustn’t D．can’t 39．—Could I join you in the programme?—Sorry, you ________. You are too young.A．shouldn’t B．mustn’t C．can’t D．needn’t 40．—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A．can B．may C．must D．need41．—Will dad arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A．can B．must C．need D．may42．—Seventy dollars for such a dress! You ________ be joking!—I’m serious. It’s made of silk from Hangzhou.A．must B．need C．will D．can43．—Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?—________. Because everyone should protect our earth and it is bad ________ us to eat the polluted seafood and drink the waste water.A．Yes, we can; of B．No, we mustn’t; of C．Yes, we must; for D．No, we needn’t; for 44．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May45．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined. A．may B．will C．can D．must46．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should47．Mr. Black ________ be at home now. He went abroad on vacation last Friday.A．can’t B．mustn’t C．needn’t D．s houldn’t 48．For the safety of the passengers, objects like guns ________ be carried on board.A．may not B．needn’t C．might not D．mustn’t 49．—The article says that a person’s animal sign decides his personality.—You ________ read it for fun, but don’t belie ve in that.A．can B．must C．shouldn’t D．needn’t50．—Is it usually warm in Yancheng in May?—Yes. But it _______ be rather cold sometimes.A．must B．should C．would D．can【参考答案】***试卷处理标记，请不要删除一、选择题1．C解析：C【详解】句意：——你决定毕业后从事教书工作了吗？——我可能出国深造。
(名师整理)最新英语中考专题复习《情态动词》精讲精练(含答案)
中考语法神态动词精讲神态动词是一种自己有必定的词义，表示说话人的情绪、态度或与语气的动词，但不可以独自作谓语，只能和其余动词原形组成谓语。
01.can，may，must 等神态动词在陈说句中的用法can 的用法1.表示能力、允许、可能性。
表示能力时大凡译为“能、会”，即有种能力，特别是生来具备的能力，此时 may 和 must 均不行取代它。
She can swimfast, but I can她能“游得t.很快，但我不可以。
I can see with my eyes我.用眼睛看。
2.表示允许，常在口语中。
You can use my dictionary你.能够用我的词典。
3.表示推断，意为“可能”，常用于否认句和疑问句中，此时 can “t译为“不行能”。
Can the news be true?这个信息会是真的吗？—Can it be our teacher?那个人有可能是我们老师吗？— No, it can “ t be our teachers. onHeai visit to the Great Wall.不行能。
我们老师正在旅行长城呢。
could 的用法1.can 的过去式，意为“能、会”，表示过去的能力。
He could write poems when he was 10.他十岁时就会写诗。
2.could 在疑问句中，表示委婉的语气，此时could 没有过去式的意思。
Could you do me a favour?你能帮我个忙吗？—Could I use your pen?我能用一下你的钢笔吗 ?—Yes, you can可.以。
（注意回答）may 的用法1.表示恳求、允许，比can 正式。
May I borrow your bike?我能够借你的自行车吗？You may go home now.此刻你能够回家了。
2.表示推断，讨论可能性，意为“可能，或许”，大凡用于必定句中。
中学英语情态动词详细用法归纳精华版(含练习及答案)
情态动词有具体的词义，但也同助动词一样，需要与其他词语一起构成句子的谓语，另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。
1. can 的用法：(1).表示能力、许可、可能性。
表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力.如：She can swim fast, but I can ' t . 她能游得很快，但我不能。
I can see with my eyes. 我用眼睛看。
could是can的过去式。
表示过去的能力。
be able to do sth. 常常指经过努力，花费了时间和劳力之后才能做到某事。
is/am/are able to do sthwas/were able to do sth.(2).表示许可，常在口语中。
如：You can use my dictionary. 你可以用我的字典。
(3).表示推测，可能性，意为“可能”，常用于否定句和疑问句中，此时can' t译为“不可能”。
女口：Can the news be true? 这个消息会是真的吗？一Canit be our teacher? 那个人有可能是我们老师吗？一No, itcan ' t be our teacher. He is on a visit to the Great Wall.不可能。
咱们老师正在游览长城呢。
【例题】一I th ink Miss Gao must be in the library. She said she would go there. —No. She __be there, I have just been there. A.can ' t B.mustn' t C.need n' tD.wouldn 't【解析】根据下文“我刚去过那儿”可知，应为“ 不可能”，can' t表示推测［答案］A could 的用法：(1).can的过去式，意为“能、会”，表示过去的能力。
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初中英语情态动词用法详解【情态动词知识梳理】情态动词有具体的词义，但也同助动词一样，需要与其他词语一起构成句子的谓语，另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。
考点一：can，may must等情态动词在陈述句中的用法：1. can 的用法：（1）.表示能力、许可、可能性。
表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力，此时may和must 均不可代替它。
如：She can swim fast, but I can ' t .（2）.表示许可，常在口语中。
如：You can use my dictionary.（3）.表示推测，意为“可能”，常用于否定句和疑问句中，此时can't译为“不可能”。
女口：Can the news be true? —No, it can ' t be our teacher. He is on a visit to the Great Wall.2. could 的用法：（1）.can的过去式，意为“能、会"，表示过去的能力。
如：He could write poems when he was 10.（2）. could 在疑问句中，表示委婉的语气，此时could没有过去式的意思。
如：Could you do me a favour? —Could I use your pen? —Yes, you can. （注意回答）3. may的用法：（1）.表示请求、许可，比can 正式，如：May I borrow your bike? You may go home now.（2）.表示推测，谈论可能性，意为“可能，或许"，一般用于肯定句中。
如：It mayrain tomorrow . Shemay be at home.（3）.may 的过去式为might，表示推测时。
可能性低于may。
如：He is away from school. He might besick.（4）.表示希望、祈求、祝愿，常可译为“祝愿"。
通常是用may + 主+V例如：Mayyou have a good time. May you be happy! May you succeed ！4. must的用法：（1）.must 表示主观看法，意为“必须、一定”。
如：You must stay here until I comeback. Must I hand in my homework right now?（2）其否定形式mustn't表示“一定不要”“千万别”“禁止，不许”.如：You mustn' t play with fire.You mustn' t be late.（3）对must引导的疑问句，肯定回答为must，否定回答为needn' t或don' t have to .女口：一Must I finish my homework? —No, you needn ' t.（4）must 表示有把握的推测，用于肯定句。
女口: The light is on, so he must be at home now.注意其反意问句的构成形式：当must表示肯定的判断、推测时，其反意疑问句要用实际问句的助动词来构成。
女口：She must have seenthe film before ，hasn't she?（注意反意疑问句的后半部分）You must have met uncle Wang in the shop yesterday ，didn 't you?（注意反意疑问句的后半部分）5. need的用法：（1）.need表示需要、必须，主要用于否定句和疑问句中，其否定形式为needn' t，意为“没有必要，不必"。
用need提问时，肯定回答为must，否定回答为needn't或don' t have to。
如：一Need I stay here any longer? —Yes, you must . —No. you needn ' t /don ' t have to.（2）.need还可以作实义动词，此时有人称、数和时态的变化，如果是人作主语后边多接动词不定式。
女口：I need to do it right now.如果是物作主语，一般用need doing与need to be done 这种情况下应注意两点：①.主动形式的动名词doing具有被动的含义；②.该动名词可以改为其动词不定式的被动形式而句子的意义不变。
例如：.The door needs painting. = The door needs to be painted.6. dare 的用法：dare意为“敢、敢于”，用法近似于need，有两种词性：（1）d are作为情态动词，多用于否定句、疑问句或条件句中，无第三人称单数形式，只有一般现在时和一般过去时。
如：Dare he tell them what he knows? I daren ' t ask her - will you do it for me?（2）dare作为实义动词，此时有人称、数及时态的变化。
如：He doesn' t dare to break his promise. 注意：口语中，dare的各种形式常与不带to的不定式连用。
如：Do you dare tell her what I said?7. shall 的用法：shall表示征求对方意见（多用于第一、三人称），如：Shall we go out for a walk?8. should 的用法：（1）.should 意为“应该”，可表示劝告、建议、义务、责任等。
女口：Weshould protect the environment. （2）Should have done 表示对过去动作的责备、批评。
如：You should have finished your homework.9. will 的用法：will表示意愿、意志、打算，可用于多种人称。
如：I will help you if I ' m free this after noon. 10. had better 的用法：had better意为"最好”，没有人称的变化，后面接不带to的不定式，其否定形式为：had better not。
女口：We had better go now.考点二：含有情态动词的疑问句的回答：1. 对may引出的问句，可以有下列回答方式：Yes,you may. Yes, of course. Yes, certainly. Sure .No, you mustn ' t. No, you can ' t.2. 对must引出的疑问句，回答方式为：Yes,…must. No,…needn' t/ don ' t have to.3. could在疑问句中，表示委婉的语气，此时could没有过去式的意思。
如:Could you do mea favour? —CouldI use your pen? —Yes, you can. (注意回答)4. shall 引出的疑问句用于第一人称，表示征求对方意见或客气的请求。
其回答方式有以下几种：Yes, please. All right. No, thank you.5. would you…的回答方式有以下几种：Yes, I will. (No, I wori t.) Sure . (I ' m sorry , I can' t.)All right/ OK/ With pleasure. Certainly. (No, thank you .) Yes, please.考点三：不同情态动词的否定意义也不同：1. (1) .can ' t 可译为"不会”，如：I can ' t play basketball.(2 )当句子表推测时，用can't 表达不可能，如：He can' t be ill. He is playing ches s with Tom.(3)can't 还可用来回答“ May I …？”这样的问句。
如：May I come in ? No, you mustn' t. / can' t.(4)can't还可用于固定习语中。
can' t help doing 禁不住，情不自禁can' t wait to do something 迫不及待地要做…2. may 的否定式为may not，译成 "可能不”，如：He may not be at home.3. (1) mustn't 表示不许，不可。
如：He mustn' t leave his room.(2) mustn ' t也可用于以may表示要求时的否定回答中。
如：一May I stand here? —No, you mustn ' t (can' t).4. (1) needn't 意为“不必”。
如：You needn' t meet him unless you ' d like to.(2) needn' t + have+动词的过去分词，表不需要完成但已完成的动作，暗含时间或精力上的浪费。
如：You needn' t have bought it. 你没必要买它(但你却买了) 。
5. shou ldn ' t 表示不应该。
如：You shouldn ' t feel so unhappy over such little things.考点四：情态动词的被动语态含有情态动词的被动语态的结构为：情态动词+ be + done (动词的过去分词)。
做题时要兼顾情态动词和被动语态这两个方面。
考点五：情态动词表示推测的用法：一、“情态动词+动词原形”表示对现在的推测。
1、can 表示推测时一般用于否定句或疑问句。
如：That man can' t be her husbandshe is still single.2、must表示肯定的推测，一般用于肯定句中。
如：He must be in his office now.3、might表示推测时不一定是may的过去时，只是表示其可能性较小。