中考英语-情态动词专题讲解与练习
2020中考人教版初中英语情态动词知识点及经典练习题
中考人教版初中英语情态动词知识点及经典练习题情态动词知识点总结： （一） 情态动词的定义情态动词表示说话人对动作的态度，比如：需要，可能，意愿，猜测或者怀疑等等。
（二） 情态动词的特点1）有一定词义；2） 不受主语人称和数的变化影响；3） 与主要动词的原形（或称不带 to 的不定式）一起构成谓语（除 ought to 作固定词组看待） 4 ）否定句中，在情态动词后面加 not 。
（三）情态动词有：must, shall, should, had better词形无变化can （ could ）, may （might ）, will （would ） 词形有变化n eed既可以是情态动词，也可以是实义动词，具有双重性。
（四） 情态动词的基本用法1. can （could ）1）表示会做某事，有能力做某事。
意思=be able to其否定式can ' t 表示"不能”。
在过去时中用could 和couldn ' t. | （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）。
He can speak En glish, but he can ' t speak Japa nese.=He is able to speak English, but he isn' t able to speak Japanese.I could smile but I could n ' t speak whe n I was 2 mon ths old.=I was able to smile but I wans ' t able to speak whe n I was 2 mon ths old. 区别：1、can 只用于现在时和过去时 （could ）, be able to可用于各种时态。
They will be able to tell you the n ews soon.2、be able to 不与can 连用，但可以和其他情态动词或助动词连用。
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。
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。
中考英语-情态动词专题讲解与练习
中考英语-情态动词专题讲解与练习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”，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。
（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，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：—Can it be our teacher?那个人有可能是我们老师吗？—No, it can’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。
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. 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。
如:Could you do me a favor? 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）3. may的用法：（1）.表示请求、许可，比can正式，如：May I borrow your bike?我可以借你的自行车吗？You may go home now.现在你可以回家了。
(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 may rain tomorrow .明天可能会下雨。
She may be at home.她可能在家呢.(3) .may的过去式为might，表示推测时。
【中考英语考点详解+专项训练】专题9 情态动词 (原卷版)
情态动词是初中英语里的一个重要的语法项目，也是全国各省市中考试题的考查热点。
在备战中考时，考生要牢记情态动词的结构和意义以及其表示推测时的用法，多做练习，在实践中加以区分。
中考考查重点：1. 情态动词的意义；2. 情态动词的基本句型；3. 情态动词的基本用法。
情态动词的用法情态动词用法例句can/could 表示能力，意为＂能，会＂I can read this sentence in English. 我能用英语读这句话。
表示许可时，意为＂可以，能够＂，相当于mayShe said that I could use her computer. 她说我可以使用她的电脑。
用于推测，表示可能性，意为＂可能＂，could比can更加不肯定，多用于否定或疑问句The man can’t be our teacher — he has gone to Beijing.那个男人不可能是我们的老师，他去北京了。
There is someone outside — who can it be? 有人在外面，可能是谁呢？【知识拓展】1. can的一般疑问句，肯定回答用Yes, ...can；否定回答用No, ...can’t。
—Can you play the piano? 你会弹钢琴吗?—Yes, I can. 是的，我会。
/No, I can’t 不，我不会。
2. can，could和be able to的区别：can只有现在式和过去式，而be able to可以用于各种时态；can( could)表示能力时，可用be able to代替。
I can(am able to) afford the car. 我能买得起这辆小汽车。
She has been able to come to school. 她已经能去学校了I could(=was able to) drive a car before I left school. 毕业前我就会开车。
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。
初三下册英语情态动词专项练习(含答案和解析)含解析
初三下册英语情态动词专项练习(含答案和解析)含解析一、选择题1．—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 that2．—Are you going to offer some masks and alcohol wet wipes (酒精湿巾) to the people in the village?—________ They are in great need of these things.A．What a shame! B．Why not? C．Why me? D．What's wrong? 3．—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. 4．—Don’t forget to keep safe distance (距离) at least one meter, Mike!—________A．Sorry, I won’t.B．No, I can’t do it.C．Not at all. D．I hope not. 5．—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? 6．—I’m afraid I can’t find the key to the car.—______. I’ll wait for you. We have e nough time.A．Hurry up B．All rightC．It is up to you D．Hold your horses7．— 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 8．—________.—It’s a pleasure.A．Don’t worry about the task B．Thank you for showing me aroundC．Be careful when you travel D．You’d better get up now9．—I thought I’d try to repair the car myself.— __________ ! You know nothing about the car.A．No way B．You can’t be serious C．I couldn’t agree more D．Don’t change a thing10．—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 11．--Would you like to go shopping with me on Saturday?-- . I have to help my mother with housework.A．I’m afraid not B．Take your timeC．Enjoy yourself D．That’s all right12．—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. 13．—It’s been a wonderful party. Thank you very much?—- ________________.A．With pleasure B．No , thanks C．It’s OK D．I’m glad you enjoyed it .14．— Are you feeling any better now after taking the medicine?—________. I’m feeling even worse.A．You got it B．Never mind C．Sorry to hear that D．Quite the opposite 15．— Could you please clean your room?—_________. I’ll do it at once.A．Yes, sure B．Sorry, I can’t C．It doesn’t matter D．Here you are 16．— 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. 17．—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 18．-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’t19．—Would you please help me with my spoken English?—__________. First you should know practice makes perfect.A．That’s right B．No problem C．Quite well D．No, thanks 20．—Lucy, can you help me with my history?—________. I am good at it.A．With pleasure B．I’m afraid not C．Sorry, I can’t D．No way 21．—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? 22．—Why not take your son to watch the new film A Little Red Flower?—__________.A．Good idea B．No problem C．Good luck D．No way 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．—________. Where’s the nearest supermarket?—Oh, it’s about 300 meters away, next to a park.A．Thank you B．Excuse me C．Come on D．That’s OK 25．—I’m sorry. That wasn’t of much help.— ________. In fact, it was most helpful.A．Thanks anyway B．It doesn’t matter C．Of course not D．Sure it was 26．—I wonder if Tenny is doing well in her new school.—________. She is old enough to look after herself well.A．You’re welcome B．Good luck C．It’s a pity D．No need to worry 27．—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.28．—How would you like your soup?—________.A．Very delicious B．With some tomatoes and eggs, pleaseC．I like it very much D．No, thanks29．—Don’t keep the water running when you brush your teeth.— ________ .A．I hope so B．I’m afraid not C．Sorry, I won’t D．It’s nothing 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．—I find it really unwise to go travelling during May Day holiday.—________! Wherever you go, it’s crowded with cars and people.A．Not exactly B．Forget it C．You said it D．It depends 32．— 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 33．—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’t34．—How do you like coffee, Minnie?—It tastes very terrible. ________.A．I have no idea B．I don’t mind i t C．I really can’t stand it D．I can’t afford it 35．— 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 36．— Do you think Steve will pass the exam this time?— ________! He spends most of his time playing games on the phone.A．Promise B．No way C．Well done D．No problem 37．—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 time38．—How about putting some pictures into the report?—________ A picture is worth a thousand words.A．I don’t think so.B．Why not?C．Thank you. D．Don’t mention it.39．—Why don’t you join in a club to practise speaking English?—________.A．That’s a good idea B．Never mind C．Yes, please D．Thank you 40．—Many people think women are better at cooking than men.—________. Most top chefs in the world are men.A．I agree B．I can’t agree more C．Not at all D．That’s not the case 41．—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. 42．—Thank you for helping to build hospitals during this special period.— ________ ! Many hands make light work.A．My pleasure B．All right C．Never mind D．None of my business43．—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．T hat’s not the case44．—I visited the Purple Mountain Observatory by myself last Saturday.—________ Why didn’t you tell me earlier?A．You did? B．I hope not. C．Have a good time. D．I can’t believe it. 45．—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 46．—Mum, Joe has broken a cup!—________. Accidents always happen.A．Pretty good B．Of course C．It doesn’t matter D．That depends 47．—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.48．— The movie Lost in Russia sends a message about the importance of family.— ________. It reminds me of my parents.A．I hope so B．That’s all right C．You bet D．I don’t think so 49．— 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 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．C【详解】句意：——我更喜欢西餐。
中考英语情态动词专项练习（附答案及详细解析）！
中考英语情态动词专项练习（附答案及详细解析）！1. Jean have kept his promise. I wonder why he changed his idea.A. mustB. shouldC. needD. would解析：选B. “should have +过去分词” 表示“过去本来应该(但没能)做某事”；keep one’s promise 意为“信守诺言”。
2. Jane have come to the party, but she not find the exact time.A. could; couldB. might; couldC. should; couldD. should; would解析：选A.“ could have+过去分词表示过去本来应该(但没能)做某事”。
3. So many mistakes in your homework! You more careful.A. may beB. had toC. would beD. should have been解析：选D. “You should have been more careful”. 意为：你本来应该更细心的。
4．Her brother be at home now, because he was seen playing basketball in the stadium just now.A. mustn’tB. needn’tC. can’tD. shouldn't解析：选C. can’t be a t home 意为：不可能在家。
5．---I can’t understand why our boss is late.---He the early bus.A. could missB. may have missedC. can have missedD. might miss解析：选B. “may have+过去分词”表示对过去动作的判断，意为：可能做了某事。
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中考英语-情态动词专题讲解与练习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”，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。
（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，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：—Can it be our teacher?那个人有可能是我们老师吗？—No, it can’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。
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. 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。
如:Could you do me a favor? 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）3. may的用法：（1）.表示请求、许可，比can正式，如：May I borrow your bike?我可以借你的自行车吗？You may go home now.现在你可以回家了。
(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 may rain tomorrow .明天可能会下雨。
She may be at home.她可能在家呢.(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 be sick.他离开学校了，可能是他生病了。
(4) . 表示希望、祈求、祝愿，常可译为“祝愿”。
通常是用may +主+V例如：May you have a good time.祝你过得愉快。
May you succeed！祝你成功！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 come back.在我回来之前你必须呆在这儿。
（2）对must引导的疑问句，肯定回答为must，否定回答needn’t或don’t have to .如：Must I hand in my homework right now?我必须现在交作业吗？No,you needn’t.(4)must表示有把握的推测，用于肯定句。
mustn't表示“禁止，不允许”如: The light is on, so he must be at home now.灯亮着，他现在肯定在家。
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，，意为“没有必要，不必”。
如：—Need I stay here any longer? 我还有必要留在这儿吗？—Yes, you must .是的。
—No. you needn’t /don’t have to.不，你不必。
(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。
如：I need to do it right now.我需要马上做这件事。
He needs to learn more about the girl.他需要多了解那个女孩。
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。
如：. The door needs painting. = The door needs to be painted.那扇门需要油漆一下。
need的用法的助记口诀：实义动词表“需要”，后接名、代、不定式。
need后接动名词，主动形式表被动。
情态动词表“需要”，没有人称数之变。
其后直接加动原，多用疑问与否定。
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?我们出去散步好吗？在英语中，我们可以用其他多种方式提出我们的建议或征求对方意见。
(1).用“Let's do...”来提出建议。
如：Let's go for a walk after supper.(2).用“What/How about...?”来提出建议；about后接名词或动词ing形式。
如：What about/How about a drink? What about/How about taking Tom with us?(3).用“Why not...?”来提出建议，表示“何不……”not面后接动词原形。
“Why not...?”实际上是“Why don't you/we...?”的简略形式。
如：Why not meet at the school gate at eight? Why don't we stay here another day?(4).用“Would you like...?”来提出建议，意思是“你想要……吗?”Would you like后可接名词或不定式。
如：Would you like a cup of tea?Would you like to go and see her?因此，如果我们说：“去游泳好吗?”英语中可有这样几种表达法：Shall we go for a swim? Let's go for a swim，shall we?What about/How about going swimming?Why not go for a swim?Would you like to go for a swim?What do you think of going for a swim?8. should的用法：（1）.should意为“应该”，可表示劝告、建议、义务、责任等。
如：We should protect the environment.我们应该保护环境。
（2）Should have done表示对过去动作的责备、批评。
如：You should have finished your homework.你应该已经完成作业了。
（事实上你没有完成。
） (3)be supposed to do=should do, ought to 可以代替should,语气更强烈些。
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 afternoon.今天下午如果我有空，我就会帮你。
注意：1、will在there be句型中的形式及其句式变换。
there be句型的一般将来时的形式就是there will be。
（一定不能说there will have）例如：There are many students in our school.→There will be many students in our school.There will be（is going to be）a sports meeting next week.一定不能说：There will have a sports meeting next week.2、will与be going to区别：①. be going to表示近期、眼下就要发生的事情，will表示的将来时间则较远一些，如：He is going to write a letter tonight. He will write a book one day.②. be going to表示根据主观判断将来肯定发生的事情，will表示客观上将来势必发生的事情。
He is seriously ill. He is going to die. He will be twenty years old.③. be going to含有“计划，准备”的意思，而will则没有这个意思，如：She is going to lend us her book. He will be here in half an hour.④.在有条件从句的主句中，一般不用be going to,而多用will,如：If any beasts comes at you, I'll stay with you and help you.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+动原。
如：We had better go now.我们最好现在就走。
You’d better not give the book to him.你最好不要把这本书给他。
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. No, you can’t.2.对must引出的疑问句，回答方式为：Yes, …must. No,…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。
—Could I use your pen?我能用一下你的钢笔吗?—Yes, you can.可以。
（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 won’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.我不会打篮球。