Unit5语法总结练习2025-2026学年人教版英语七年级上册

Unit5语法练习：情态动词 情态动词（Modal verb）表示说话人对某一动作或状态的看法或主观设想的单词。‌它们本身有一定的词义，但并不完全，通常用于表达建议、责任、必要、禁止、允许、可能、许诺、能力、意愿等概念和态度。 情态动词没有人称和数的变化。其本身词义不完全，不能单独作谓语动词，后跟动词原形。‌ 1. 情态动词can的常见用法 (1) 表示能力 如: Alan can play ping- pong, but he can't play tennis. 艾伦会打乒乓球,但是他不会打网球。 He can speak French and Italian. 他会说法语和意大利语。 Can you drive? 你会开车吗？ He is so tall that he can touch the ceiling. 他那么高，手能碰到天花板。 I can’t remember where I put it. 我不记得我把它放哪儿了。 (2)表示许可（允许） 如: You can use my pencil. 你可以用我的铅笔。 You can’t play football here. (mustn’t) 你们不能在这踢球。 -- Can I have a break? --Yes, you can. --我可以休息一下吗？--是的，可以。 或者表示请求（可以…吗？能…吗？）。 Can you open the window, please? 你能打开窗户吗? (3) 表示可能性（推测）：这种用法表示某事是可能发生的（但并不一定在特定时刻发生），或者某种情况是理论上存在的。 如：It can be very cold in winter here.这里的冬天有时会很冷（普遍\有时会发生的情况） 表示具体某一次的可能性（即“可能正在发生”或“可能会发生”），我们通常用 could/may/might 注意： 1. could是 can 的过去式，但在表示“请求和许可”时，could 语气更委婉、更礼貌，不表示过去时。 2.can和be able to都可以表示有能力: I can swim. = I am able to swim. 区别：① 将来的能力，只能用will be able to e.g. I will be able to speak better if I practice more. 如果我多练习，就能说得更好。 ② 过去的能力，可以用could 和 was / were able to 区别：could表示某人曾拥有的能力，如： I could swim when I was eight. 2. 含有情态动词 can的常用句型 (1)肯定句:主语+ can+动词原形( +其他). 如: Cindy can play the guitar. 辛迪会弹吉他。 (2)否定句:主语+ cannot/ can't +动词原形( +其他). 如: My little sister can't speak now. 我妹妹现在还不会说话。 (3)一般疑问句: Can+主语+动词原形(+其他)? 肯定回答: Yes, 主语+ can. 否定回答: No, 主语+ can't. 如: —Can you swim? 你会游泳吗? — Yes,I can./ No, I can't. 是的,我会。/不,我不会。 (4)特殊疑问句：特殊疑问词(组)+can+主语+动词原形( +其他)? 如: What can they do? 他们会做什么? How many instruments can you play? 你会演奏多少种乐器? 3.情态动词拓展 情态动词 含义 否定式的含义 can 1. 能力 2. 许可 3. 请求 4. 可能性 1. 不允许 (禁止) 2. 不可能 (否定推测) 3. 无能力 could 1. can的过去式 2. 委婉请求/建议 3. 较小可能性 1. 过去无能力 2. 过去不可能 (否定推测) 3. 委婉的拒绝/不允许 may 1. 正式许可 2. 可能性（较正式） 1. 不允许 (正式、语气较强) 2. 可能不 (可能性较小) might 1. 可能性（比may小） 2. 委婉建议 可能不 (表示一种更不确定的否定推测) must 1.必须（主观） 2. 肯定推测 禁止，绝对不可以 shall 1. 征求意见（一三人称） 2. 正式规定/承诺 1. 表示未来不会 (主要英式英语) 2. 表示禁止或承诺不做某事 (正式) should 1. 应该（建议/劝告）2. 义务（弱于must） 3. 预期 不应该 (表示建议、劝告不要做某事) 4.语法练习 1. — Can you write with your left hand? — No, I ______. A. can’t B. shouldn’t C. mustn’t D. needn’t 2. — ____ you drive a car? — No, I can’t. A. Need B. Can C. Must D. May 3.—_______ you play tennis? — No. But I can play table tennis. A. May B. Must C. Can D. Should 4.— _______ you make dumplings? — No. Let’s have some noodles. A. Can B. May C. Must D. Should 5.—Can you find the differences between the two pictures? —Yes, I________. A. may B. can C. must D. could 6. — Look! Here is the question for you. Who can give me the answer? — I ______, Miss Yang. A. can B. need C. should D. must 7. —Bill, can I use your dictionary? I left mine at home. —Of course you________. Glad to help you. A. need B. may C. must D. can 8 —________ you speak English? —Yes, but only a little. A. Can B. Must C.Need D.May 9. _________ you help me answer the telephone, please? A. May B. Can C.Must D.Need 10. — Listen! Is that Kate playing the piano in the room? — No. It _________ be Kate. She has gone to London. A. may not B. needn’t C.mustn’t D.can’t 11. This coat isn’t yours. Whose coat _________ it be? A. may B. can C.must D.will 12. — Is Jack on duty today? — It _________ be him. It’s his turn tomorrow. A. mustn’t B. won’t C.can’t D.needn’t 13. I like this room. You ______ see the mountains from the window. A.can B.should C.must D.need 14. — Mum, _________ I play computer games? —Yes, you can, but you have to finish your homework first. A.would B.must C.may D.need 15.You ______ cross the road when the traffic lights are green. A. can B. must C. mustn’t D. needn’t 16. —Can I walk across the road now, Mum? —No, you . You have to wait until the lights turn green. A. couldn’t B. shouldn’t C. needn’t D. mustn’t 17.  —Guess what? Our team won the school basketball match. —Congratulations! You ______ be very proud. A. can                 B. may                      C. must                 D. would 18.— ______ I take the magazine out of the reading room? — No, you mustn’t. A. May B. Need C. Can D. Must 19. —Mr. Smith, must I hand in my paper by the end of this week? —No, you ________.It can be next week. A. shouldn’t B. wouldn’t C. mustn’t D. needn’t 20. —________ I finish the work this morning? —No, you needn’t. You can finish it tomorrow. A. Must B. Can C. Need D. May 21. John ______ come to my birthday party tonight, but I’m not sure. A. must B. may C. would D. need 22. —Must I work out the problem right now? —Yes, you _______. It’s very serious. A. can B. must C. may D. should A.Will B.Can C.Would D.Should 23.________ you like to have a cup of tea with me this afternoon? 24. With the help of modern technology, now people ________ enjoy the proudest moment when China’s first astronaut Yang Liwei entered space. A. may B. can C. should D. must 4 学科网（北京）股份有限公司 $ 语法练习答案 1. A 2. B 3. C 4. A 5. B 6. A 7. D 8. A 9. B 10. D 11. B 12. C 13. A 14. C 15. A 16. D 17. C 18. A 19. D 20. A 21. B 22. B 23. C 24. B 学科网（北京）股份有限公司 $