【2026中考】中考英语二轮语法归纳专题：情态动词 复习课件

(共29张PPT)
情态动词
情态动词
基本特征
有词义，但不能单独作谓语，必须和动词原形构成谓语
无人称和数的变化 (have to /be able to除外)
情态动词的
基本用法
表能力：can, can’t, could, couldn’t
表请求：will, would, may, could, might, shall
表义务、命令：must, should
表禁止：mustn’t
表不需要：needn’t; don’t have to
表建议、劝告：should, had better
情态动词表推测
表肯定推测：must>could>may>might
表否定推测：can’t>may not
情态动词具有一定词义，不能单独作谓语，必须和动词原形连用一起构成谓语。
考点一：can可表示现在或将来的能力，意为“能；会”。can还可表示请求、允许，意为“可以”。
can’t意为“不能，不可以”。
一、情态动词的意义
考点二：could可表示过去的能力；
当could表示允许时，语气比can更加委婉和客气。couldn’t意为“不能”。
考点三：may表示请求、允许，意为“可以”。
考点四：might表示允许时，语气比may更加委婉、客气。
考点五：must表示义务、命令或必要，意为“必须”，强调主观看法。
mustn’t表示“不允许；禁止”之意。
考点六：have to意为“不得不”，强调客观需要。
考点七：should意为“应该”，既可以表示义务或责任，也可以表示劝告或建议。
其否定式为shouldn’t，意为“不应该”。
考点八：had better do sth. 意为“最好做某事”，其否定式是had better not。
考点九：need表示“需要”，通常用于否定句或疑问句中。
二、情态动词的推测用法
(以下情态动词对可能性的推测排列顺序由强到弱)
情态动词 肯定式 否定式 疑问式
must 必定；必然 / /
can / 不可能 有可能吗
could 微弱的可能 不可能 有可能吗
may 或许；也许 可能不 /
might 可能 可能不 /
三、情态动词一般疑问句的回答
考点一：may表示请求时，用于主语为第一人称的一般疑问句中，其肯定回答：Yes, you can / may.
其否定回答：No, you may not. / No, you mustn’t.
/ No, you can’t.
还有更温和的回答方式，如：I’m sorry. / I’d rather you didn’t. / I’m afraid not. / You’d better not.等。
考点二：在回答由must引起的一般疑问句时，肯定回答常用must，否定回答常用needn’t或don’t have to，表示“不必”。
考点三：在回答由need引起的一般疑问句时，肯定回答用must，否定回答用needn’t。
考点四：在回答由could(请求对方许可，表示委婉语气)引起的一般疑问句时，肯定回答常用can，否定回答常用can’t / mustn’t等回答。在回答由can引起的表示请求的一般疑问句时，用can / can’t回答。
Ⅰ. 单项选择
1. —_______ you tell us a story in English
—I think I can do it. Let me try.
A. Need B. Can C. Should D. Must
2. —Excuse me. _______ I sit here
—You'd better not. It's the man's seat.
A. Must B. Need C. Could D. Should
3. When our parents become too old to take care of themselves
one day, they _______ be looked after well by us.
A. should B. shouldn’t C. may D. may not
B
C
A
4. —All of us _______ follow the traffic rules when going out.
—Exactly! Safety comes first.
A. might B. must C. may D. could
5. Students _______ play with fire in the classroom. It's quite
dangerous.
A. mustn't B. must C. couldn't D. could
6. To achieve our dream, we _______ rest on what we have done.
A. may not B. should not C. need not D. could not
B
A
B
7. —Mike, I can't stop playing computer games.
—For your eyes, my dear friend, I'm afraid you _______.
A. could B. may C. would D. have to
8. Protect your hearing. Don't wait until you _______ hear a thing.
A. needn’t B. mustn’t C. shouldn’t D. can’t
9. —I can't find my dictionary. _______ I use yours
—Sure, here you are.
A. Need B. May C. Must D. Should
D
D
B
10. —Whose dictionary is this
—It _______ be Jack's. Look, his name is on Page 1.
A. must B. need C. can’t D. could
11. —Look! Mark is reading a book in the library.
—It _______ be him. He is in the classroom.
A. can't B. wouldn't C. needn’t
12. —Whose English book is this
—It _______ be Lily's, but I'm not sure.
A. might B. can't C. must
A
A
A
13. —Mum, I've signed for the box. What's in it
—I'm not sure. It _______ be a present from your uncle.
A. can’t B. must C. may D. need
14. —Oh, my God! I'll nearly lose my heart.
—Cheer up. Life _______ be perfect all the time.
A. can't B. mustn’t C. needn't D. shouldn’t
15. —Angel, I have moved near People's Park.
—Oh, it _______ be very convenient. You can exercise there
any time now.
A. must B. might C. could
C
A
A
16. —_______ I use your iPad
—Sorry, I'm using it now.
A. May B. Must C. Should
17. —Must we wear the school clothes tomorrow, Mr. Wang
—No, you _______. Only on Mondays. Tomorrow is Tuesday.
A. mustn't B. needn’t C. can’t
18. —_______ I take photos here
—Sorry, you can't. It's not allowed in the museum.
A. Must B. Need C. Can D. Will
A
C
B
19. —Dad, must I become a doctor like you when I finish
university in the future
—No, you _______. You can make your own decision and do
whatever you like.
A. don't have to B. can’t C. mustn't D. couldn’t
20. —Need I wear a pair of sunglasses
—Yes, you _______. The sunlight on the beach can be strong.
A. can B. might C. need D. must
D
A
Ⅱ. 汉译英
1. 在你使用新洗衣机前，最好读一下说明书。
2. 我可以借用你的自行车吗？
3. 你不需要今晚完成所有的工作。
You’d better read the instructions before you use the new washing machine.
Could / Can/ May/ Might I borrow your bicycle
You needn’t finish all the work tonight.
1. —Linda, can you do housework
—Yes, I ________. I learned to cook at the age of eight.
A. must B. can C. should D. Need
（2025云南中考）
2. _________ you turn down the TV, please I’m trying to
work.
A. Could B. Must C. Might D. Should
（2025甘肃金昌）
B
A
3. —I have no time to buy things in the supermarket.
—Don’t worry. You can shop online instead. That way, you
________ waste a lot of time going from shop to shop.
A. needn’t B. mustn’t C. can’t D. shouldn’t
（2025四川遂宁）
4. You ________ tell Jim the good news because I’ve told him
already.
A. need B. needn’t C. can D. can’t
（2025天津中考）
A
B
5. —Will you be able to finish the work in time
—I ________ promise anything, but I’ll do my best.
A. can’t B. shouldn’t C. couldn’t D. mustn’t
（2025江苏扬州）
6. He ________ know the secret. I haven’t told anyone about it.
A. can’t B. needn’t C. mustn’t
（2025黑龙江绥化）
7. From April 8, pet owners in China ________ bring their cats
or dogs on some high-speed trains.
A. must B. should C. can D. Need
（2025江苏连云港）
A
A
C
8. —I’ve heard Lucy will join the art club.
—It ________ be true. She’s already in the basketball
club. We can only choose one.
A. should B. can’t C. Must
（2025四川成都）
B
9. —Look! Is that girl Alice
—No, it ________ be her. She is on a tour in Beijing now.
A. can B. can’t C. must
(2024河北统考)
10. —Must I answer this question in English
—No, you ________.
A. mustn’t B. needn’t C. can’t
(2024黑龙江龙东地区)
B
B
11. Modern medicine is developing quickly and now most eye
problems _________ be cured.
A. can B. must C. should D. need
(2024江苏连云港)
12. Having an ice-cream in the hot summer ________ be cool.
A. must B. need C. can’t
(2024四川成都)
A
A
13. —Ruby, when did your father go out
—I’m not sure, but he ______ go too far. His tea is still hot.
A. can’t B. must C. might
(2024四川凉山)
14. —Tina, is that our math teacher Mr. Wang
—It ________ be Mr. Wang. He has gone to Beijing.
A. must B. mustn’t C. can’t D. can
(2024四川遂宁)
A
C
15. —Is that your friend Laura over there
—No, it ____________ be Laura. She has gone to Shenzhen.
A. must B. mustn’t C. can D. can’t
(2024四川雅安)
16. It _________ be the only way to solve the problem. There
are other choices.
A. may not B. mustn’t C. need D. should
(2024天津)
D
A
17. —Whose dictionary is this
—It ________ be Sarah’s. Look! Her name is on it.
A. must B. need C. mustn’t D. needn’t
(2024云南)
18. Although the little boy is only 6 years old, he _______ do
DIY well with his special mind.
A. can B. can’t C. must D. mustn’t
(2024江苏宿迁)
A
A
19. — Bill, ________ I use your ruler
— Of course you can. Here you are.
A. can B. must C. need D. should
(2024北京)
20. —Whose volleyball is this
—It ________ be Lucy’s. She loves volleyball.
A. can’t B. must C. mustn’t
(2024山东菏泽)
A
B
21. When you make a fresh salad, you ______ add your favorite fruit if you would like to.
A. may B. should C. must D. have to
(2024江苏常州)
22. —People ________ wear helmets (头盔) when they ride e-
bikes according to the traffic rules.
—Yes. Or they will be punished.
A. must B. can C. may
(2024四川乐山)
A
A
23. —Must I answer this question in English
—No, you ________.
A. mustn’t B. needn’t C. can’t
(2024黑龙江)
24. Lili ________ be at home. She has gone to the farm to pick apples.
A. mustn’t B. can’t C. must D. can
(2024吉林长春)
B
B
25. Shh… ! This is a library. You ________ keep your voice down.
A. can B. can’t C. should D. shouldn’t
(2024江苏无锡)
C