九情态动词
中考英语语法(九) 系动词和情态动词
3．must的用法 (1)must 意为“必须，一定，准是”，表示说话人认为必须 做某事，命令、要求别人做某事以及对某事的肯定推测。 【注意】 must 和 have to 的区别： must 表示说话人的主观 意愿；have to 表示客观需要。 I must do my homework first. 我必须先做家庭作业。
考点2
情态动词
情态动词表示说话人对某一动作或状态的态度，表示“ 可能”、“应当”、“必要”等含义，但其本身词义不完 全，不能独立作谓语，必须和动词原形连用。情态动词没 有人称和数的变化。其否定形式一般是在情态动词后加 not (have to除外)。情态动词数量不多，但用途广泛，主 要 有 can(could), may(might), must, need, shall(should), will(would)等。
更委婉。 Will you have a little soup? 你要不要喝点儿汤？
语法互动(九) 系动词和情态动词
7．归纳：情态动词表推测的用法
It is raining hard outside; I ________ have to stay at home.
外面雨下得很大，我不得不待在家里。
语法互动(九) 系动词和情态动词
(2)回答must提问的答语
①肯定回答：Yes，…must.
—Must I go home now？我必须现在回家吗？ —Yes, you must. 是的，你必须现在回家。 ②否定回答：No，…needn't./No，…don't/doesn't have to. —Must I go home now? 我必须现在回家吗？ —No, you____________________ needn't/don't have to . 不，你不必。
通用版九年级英语情态动词复习
A.Must B.Shall C.Will D.Would
2.Go and ask Mr Liu.He ____A_____tell you.
A.may B.can C.would D.could
3.____B_____you please tell me the time please?
A.Shall B.Will C.May D.Might
A.Will B.Could C.Must D.Would
➢ 课时训练
6.He said Kate __(B_)__come to the party.But I don't think so.
A.could
B.might
C.need
D.must
7.—Need I do my lessons right now?
A.don't
B.can't C.won't
D.didn't
• --May I put my bike here?(2004) --No, you___. You should put it over there. A．couldn’t B．needn’t C．mustn’t D．won’t
• Cars, buses and bikes ______stop when the traffic light is red.(2005) A. can B. must C. may D. need
B.need
C.would
D.must
➢ 典型例题解析
【例4】 The boy said he had to speak English in class，
but he B speak it after class.
专题九情态动词(new)Model Verbs
9.表猜测语气的反意疑问句的构成
He must be reading,________? isn’t he
What he said can’t be true,____________? is it
He must have gone over the article, __________? hasn’t he
Can this news be true? 的态度(主要用于否定句, How can you be so foolish? 疑问句和感叹句中)” (19)
can/could:
can never/can’t……too表示“无论怎样…也 不过分”，“越…越好” 。
You can’t be too careful 你过马路的时候再小心也不为过。 while crossing the road.
We should be strict with ourselves. 表劝告和建议“应该”
They should have arrived by two o’clock. 表推测,“可能,应该” You are mistaken, I should say. 用于第一人称,表示说话人的一种谦逊,客气,委婉
may 和can
• A computer _______ think for itself; it must be told what to do. • A. can’t B. couldn’t • C. may not D. might not 表客观“可能” 表主观“可能”
A
•may ______________ can____________ 不可能 可能不 •cannot___________ may not__________ Her grandpa _________ well be over 100. may/might I __________ as well start at once. may/might
专题九 情态动词(共12张PPT)
第2页，共12页。
情态动词 could
must should have to
ห้องสมุดไป่ตู้
意义及用法
例句
can的过去式, 意为“能，会”,
Lang Lang could play the piano well when he was
表示过去的能力。
young. 郎朗小的时候钢琴就
弹得很好。
Could I have a cup of tea？
意为“不可能”，表示否定推测。
边那个人不可能是吉姆。他
出国了。
意为“禁止, 不允许”, 不能用来 You mustn’t play soccer on
the street. 你不准在街道上踢
表示推测。
足球。
第7页，共12页。
考点小练
1.— A you tell me the differences between these two photos？
意为“不得不”, 多表示客观需 要。
The children have to get up early to catch the first bus. 孩子们为了赶第一趟公共汽
车不得不早起。
第3页，共12页。
need(n‘t) had better
(not) may
might
意为“需要（不必）”, 多用于 You needn’t say sorry to me.
用法
例句
用于强调客观需要, 意为“必须, We’ll have to ask Mr. Zhang.
不得不”。
我们必须问问张老师。
◆ can’t与mustn’t的区别
情态动词 can‘t
超级全的情态动词所有整理
情态动词⏹英语助动词（auxiliaries）主要有两类，基本助动词(primary auxiliaries)和情态动词(modal auxiliaries)。
⏹基本助动词有三个，即do, have 和be。
⏹情态动词有九个，它们是:can, may, must, ought to, shall, will, need, dare, used to等等。
加上过去式共十三个，could,might,should,wouldCan 能，可能固定搭配：cannot (help) but do=can`t help doing 不得不，只能can’t/couldn't+不定式完成体”结构1. “can’t/can have done”结构表示以“现在”为出发点，推侧过去某种“动作”发生了，多用于否定句和疑问句中，意为“很可能……了’，“不太可能……”等。
如:Her interference can have done a great deal of harm. 她的干涉可能已造成巨大伤害.She can’t have written this because it is in French and she doesn't know French. 这不可能是她写的，因为这是用法文写的，而她不懂法文2.在疑问句或否定句中，”can +不定式完成体”结构表示语气很强的猜侧或推断。
如:Can he have made a mistake? 他会弄错了吗?(含义是:他不可能搞错的)比较：Could he have made a mistake?他会弄错了吗? (一般性推测)He can' t have made a mistake.他肯定不会弄错。
Can和could同样用于比较的时候，can的语气更强烈3. “could/couldn`t+不定式完成体”表示以“过去”为起点Could have done 虚拟语气用法：本来可以，本来会，本来能（事实上没有）推测：有可能Couldn`t have done 虚拟语气用法：本不会，本不能（实际上已经做了）推测：不会，不可能Tom could have broken the glass. He was the only one at home yesterday. 汤姆可能打破了这个玻璃杯Mary couldn`t have bolded the door.玛丽不可能把门闩上。
人教版英语九年级全册Unit4(难点透视)：情态动词would和used to的用法区别
情态动词would和used to的用法区别1. would 和used to都表示过去的习惯行为，意思为：过去常常。
would 表示过去某时间的意志、愿望和决心。
如：He would come to have a chat with us when he was free.他有空时，常会过来跟我们聊天He used to live in a cottage near the river. 他过去常住在河边的一座小木房里。
2. would 往往强调过去的一种可能性,而不暗示现在的情况；而used to强调过去常这样干，而现在不干了, 强调今惜对比。
如：He would sit there alone, thinking. 他会独自一人坐在那儿思考。
He used to swim in the river in summer. 夏天他常常在这条河里游泳。
3. would 作will的过去式，表示过去的一种意愿或将要做的事情，意思为：将会。
而used to无此意义。
如：People would go to ask him for advice when they came into trouble. 人们碰到麻烦事，就会去问他解决的办法。
4. would有时也可用来指现在，表示一种委婉、客气的请求，对于用它来提问题的回答，须用will，不能用would。
而used to无此意义及用法。
如：Would you please help me with this case? 请帮助我提一下这个箱子好吗？Yes, I’d like to. / I will. 好，我非常乐意。
5. would一般接表示动作的动词，不能与表示状态或情感、意识方面的词连用，而used to无此限制。
如：He would get here at eight. 他在八点会到这儿来。
He used to be / get here at eight. 他过去常在八点来这儿。
九年级英语情态动词教案
九年级英语情态动词教案一、选择题1．—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．should2．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．—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 mend4．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules. A．can B．will C．may D．must5．—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．need6．Hurry up, or we ________ miss the beginning of the film.A．should B．must C．may D．have to 7．—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．should8．— Excuse me, could you tell me where the Nanjing Brocade Museum is?—Go along this road for five minutes. You ________ miss it. It’s a huge building. A．mustn’t B．can’t C．needn’t D．shouldn’t9．—________ I see your ID card? We have to check your personal information.—Sure. Here you are.A．May B．Need C．Should D．Must10．—Be careful! Fire ________ be dangerous sometimes.—OK. I will put it out right away.A．mustn’t B．should C．can D．needn’t 11．—Who’s the man over there? Is that Mr. Black?—It ________ be him. Mr. Black is much taller than that man.A．may B．must C．can’t D．mustn’t 12．—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．need13．— 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．may14．You ________ write the report again because spelling mistakes are not allowed at all. A．must B．can C．may D．could15．You'd better __________ hard from now on, __________ you will fail the exam. A．work; and B．working; or C．working; and D．work; or 16．— 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’t17．A lot of online resources ________ be used either by teachers at school or parents at home. A．can B．should C．need D．must 18．—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．Need19．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 20．—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．must n’t D．needn’t 21．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May 22．According to the rule, used batteries ________ be dropped in the red bin for harmful wastes. A．may B．would C．should D．might23．You _________ smoke here! Look at the sign. It says "No smoking".A．needn't B．mustn't C．can D．may24．— 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 25．—Suzy described every detail of the accident just now.—Her memory ________ be completely back.A．shall B．need C．must D．could26．—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A．can B．may C．can’t D．shouldn’t 27．Most young people like shopping online because they ________ spend much time going from shop to shop.A．needn’t B．can’t C．mustn’t D．shouldn’t 28．— Mum, why do I have to wash hands so many times a day?—You ________ be too careful, for your health.A．can’t B．mustn’t C．may not D．needn’t 29．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t30．—Is it usually warm in Yancheng in May?—Yes. But it _______ be rather cold sometimes.A．must B．should C．would D．can31．A hard-working man ________ become a great scientist, but a great scientist ________ be a hard-working man.A．can’t; can B．may not; must C．can’t; must D．may not; can 32．—Excuse me. I haven’t finished reading the book yet. May I keep it a bit longer?— Sorry, you ________. You must return it on time.A．needn’t B．can’t C．won’t D．shouldn’t 33．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry. A．should B．would C．must D．can34．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should 35．—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’t 36．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 37．—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 38．—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．need39．—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．need40．—In China, many parents complain that their children have to stay up late to do the homework.—Don’t worry. The government has realized the problem. I’m s ure there ________ be good news soon.A．can B．should C．need D．must【参考答案】一、选择题1．D解析：D【详解】句意：——我的车今天能修好吗？——应该能，先生，如果有什么问题我会打电话给你。
初中英语：情态动词
初中英语：情态动词介绍：情态动词是英语中的一个重要语法点，它们可以用来表示可能性、必要性、责任、建议等等。
在英语口语中，情态动词的使用非常频繁，但是不同的情态动词的用法又各有不同，因此，我们有必要系统地学习情态动词的用法。
本文将为大家详细介绍情态动词的用法，并提供大量的练习题和答案，帮助大家掌握情态动词的用法，让你的英语口语更加流利。
一、情态动词的概念情态动词是指表示说话人对所说内容态度、说话人主观意愿、能力、建议、命令、禁止等的动词。
常用的情态动词有can、could、may、might、must、shall、should、will、would 等九个词。
二、情态动词的用法1.表示能力、许可、建议、命令、禁止等情况1) Can / CouldCan 表示现在或未来有能力做某事；Could 表示过去或未来有能力做某事，或表示委婉语气。
如：I can swim.（我会游泳。
）Could you open the window?（你能帮忙把窗户打开吗？）2) May / MightMay 表示有可能；Might 表示有可能性的弱化。
如：It may rain tomorrow.（明天可能会下雨。
）I might go to the party.（我可能去参加聚会。
）3) MustMust 表示必须，有义务或责任做某事。
如：You must wear a seat belt in the car.（在车上必须系安全带。
）I must finish my homework tonight.（我今晚必须完成作业。
）4) Shall / ShouldShall 表示说话人的意愿，用于提出建议或征求意见；Should 表示应该做某事，并且有义务去做。
如：Shall we go to the cinema tonight?（今晚我们去看电影好吗？）You should stop smoking.（你应该戒烟。
）5) Will / WouldWill 表示意愿、意图和承诺；Would 表示委婉请求和含蓄的建议。
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九情态动词1. —Shall I tell Sally about it?—No, you . I’ve told her already.（安徽）A. shouldn’tB. mustn’tC. needn’tD. can’t2. —__________ you play golf?—No. But I can play table tennis. (北京市)A. CanB. MayC. MustD. Should3. —Hi, Jim, ____you come to my party?—Sorry, I can’t. I have to do my homework. (北京海淀区)A. canB. mayC. needD. must4. --–Mum, ___I play computer games?---Yes, you can. But you have to finish your homework first.(北京)A. mustB. mayC. willD. need5. —What did the head teacher say at the meeting? (福建福州)—He said, “We ______be proud of working hard. We mustn’t be lazy.”A. mustB. needn’tC. mayD. can’t6. ---Let's go dancing tonight.---Sorry, I _____. I have to go to a meeting.(福建南平)A. can'tB. mustn'tC. may notD. needn't7. —Who is the girl standing over there? ---Well, if you know, her name is Joe. （甘肃兰州）A. mustB. mayC. canD. shall8. Yesterday it rained heavily when school was over. We stay in our classroom. (广东汕头)A. shouldB. mustC. had to9. --–Where is mom now?---I’m not sure. She ______ be in the kitchen. (浙江杭州)A. shallB. mayC. needD. must10. ---Listen! Is that Kate playing the piano in the room?---No. It be Kate. She has gone to London. (河北实验区)A. may notB. needn’tC. mustn’tD. can’t11. 一Must I go and do it now?—No，you_ ．We still have two more days．(河南)A. shouldn’tB. c an’tC. needn’tD. won’t12. ---What should we do first if we want to develop our village?---A lot of new roads , I think.(黄冈)A. have to buildB. must buildC. have builtD. must be built13. You _________ swim in this part of the lake. It’s not safe. (湖北武汉）A．mustn’t B．needn’t C．won’t14. —Will you please stay here for the party? （同上）—Sorry, I ___. I’ll have to go to an important meeting.A. mustn’tB. needn’tC. can’tD. won’t15. —Why is e-shopping getting more and more popular? (浙江湖州)—It save a lot of trouble and time if it is properly used.A. needB. shouldC. canD. has to16. —Shall we go swimming this afternoon?(湖北仙桃三市)—Sorry, I ________. I have lots of homework to do.A. mustn’tB. needn’tC. may notD. can’t17. —Look! It _____ be Jack on the playground. (湖北孝感)—It _____ be him. Because I saw him enter the school library just now.A. must, mustn’tB. can, can’tC. may, mustn’tD. must, can’t18. ---Must I hand in my exercise book now, Mr. Zhao? ( 江苏连云港)---No, you . You may give it to me tomorrow.A. needn’tB. mustn’tC. c an’tD. may not19. 一Excuse me，is this the right way to No. 1 Middle School? (浙江绍兴)一Sorry，I'm not sure. But it be.A. canB. needC. mustD. may20. — Must I park my car behind the building?— No, you ____. You ____ park it here. (江苏省南通市)A. mustn’t… mayB. may not… mustC. don’t have to…mayD. shou ldn’t… must21. — Can I tell my best friend about it? (江苏省启东中学)—No, I don’t want anyone else to know it. You _______ keep it to yourself.A. mustB. needC. canD. may22. ---May I play computer games, Mum?---No. You wash your clothes, first. (浙江温州)A. wouldB. canC. mustD. will23. —Never touch my computer while I’m away．(江苏泰州)——.A．I shouldn’t B．I mustn’t C．I won’t D. I don’t24. --- Must I finish that work today?--- No, you _____. You may finish it in three days. (徐州市)A. mustn’tB. needn’tC. shouldn’tD. couldn’t25. ---I can’t stop playing computer games.(江西省)---For you health, my boy, I’m afraid you .A. canB. mayC. mustD. have to26. That tall boy _________be John. John is medium height. (辽宁锦州)A. mustn’tB. mustC. can’tD. might27. —Sixteen-year-olds ______to drive. (辽宁沈阳)—I agree. They aren’t serious enough at that age.A. shouldn’t be allowedB. shouldn’t allowC. don’t allowD. are allowed not28. —Whose guitar is this ?—It ______Alice. She plays the guitar. (同上)A. might beB. must beC. can belongD. might belong to29. I enjoy the party very much, but I _________ go home. It’s too dark. (辽宁十一市)A. have toB. mayC. mustn’tD. can’t30. ---Must we collect the waste paper and bottles now?（山东临沂）---____.You can do it after class.A. Yes, you mustB. No, you needn'tC. Yes, you may D, No, you mustn't31. —That T-shirt with Yao Ming’s picture on it belong to David. He admires him a lot.—No, it be his. He hates black color. (山东潍坊)A. can…can’tB. may…needn’tC. must…mustn’tD. must…can’t32. You have already tried your best, so you _________ worry about the matter. (陕西省)A. can'tB. needn'tC. mustn'tD. couldn't33. 一Could I have a look at the photo of your family, Sam? (四川成都市)一Of course you______.A. mayB. canC. could34. We _______ talk loudly when we see the sign on the right. (浙江省)A. mustB. mustn’tC. needD. needn’t情态动词1-5: CAABA 6-10: AACBD 11-15: CDACC 16-20: DDADC 21-25: ACCBD26-30: CADAB 31-34: DBBB。