Unit 5 Fun Clubs 单元语法讲解情态动词can - 2025-2026学年人教版七年级英语上册

Unit 5 Fun Clubs 单元语法讲练 情态动词can 情态动词 can 只有一个形式，用于所有人称（I, you, he, she, it, we, they）。它后面必须跟动词原形。 1. 表示能力 (Ability) 表示“会，能”做某事。 · 肯定句: I can speak English. 我会说英语。 · 否定句: He cannot (can't) swim. 他不会游泳。 · 一般疑问句: Can you play the piano? 你会弹钢琴吗？ · 肯定回答: Yes, I can. 是的，我会。 · 否定回答: No, I can't. 不，我不会。 2. 表示请求和许可 (Requests & Permission) 表示“可以”做某事，用于礼貌地提出请求或询问是否被允许。 · Can I borrow your pen? 我可以借你的钢笔吗？ (请求) · Can we go home now? 我们现在可以回家了吗？ (请求/询问许可) · You can watch TV after you finish your homework. 你做完作业后可以看电视。(给予许可) 3. 表示可能性 (Possibility) 表示“可能”，常用于否定句和疑问句。 · It's dark. I can't see anything. 天黑了。我什么也看不见。 · Can this be true? 这有可能是真的吗？ 巩固练习题 一、用 can 或 can't 填空 1. I ________ swim very well. 2. She ________ speak Chinese, but she ________ speak English. 3. —________ you help me with my homework? —Sorry, I ________. I'm busy now. 4. A dog ________ fly. It's impossible. 5. We ________ see the moon at night. 6. My little brother ________ read yet. He is only two years old. 7. It's very loud. I ________ hear you. 8. —________ I use your phone? —Yes, you ________. 9. Birds ________ sing beautifully. 10. He ________ run fast because he is very strong. 二、将下列句子改为否定句 11. I can play basketball. _______________________________________________________ 12. She can dance very well. _______________________________________________________ 13. They can come to our party. _______________________________________________________ 14. He can drive a car. _______________________________________________________ 15. We can finish the work today. _______________________________________________________ 三、将下列句子改为一般疑问句，并作肯定和否定回答 16. You can answer the question. _______________________________________________________ 回答：__________________________/ ____________________________ 17. She can cook dinner. _______________________________________________________ 回答：__________________________/ ____________________________ 18. They can play chess. _______________________________________________________ 回答：__________________________/ ____________________________ 19. He can fix the bike. _______________________________________________________ 回答：__________________________/ ____________________________ 20. The cat can climb trees. _______________________________________________________ 回答：__________________________/ ____________________________ 四、对划线部分提问 21. I can sing an English song. _______________________________________________________________________ 22. She can play the guitar. _______________________________________________________________________ 23. They can play soccer in the park. _______________________________________________________________________ 24. My brother can draw pictures.\ _______________________________________________________________________ 25. We can see stars at night. _______________________________________________________________________ 五、翻译句子（使用情态动词 can） 26. 我会打网球。 _______________________________________________________________________ 27. 他不会放风筝。 _______________________________________________________________________ 28. 你可以帮我吗？ _______________________________________________________________________ 29. 鱼不会走路。 _______________________________________________________________________ 30. 我们可以在这里踢足球吗？ _______________________________________________________________________ 六、改正句中的错误 31. She can plays the piano. _________________ 32. I can to speak French. _________________ 33. Can he drives a car? _________________ 34. They don't can swim. _________________ 35. You can not eat in the library. _________________ 七、综合选择题 36. ________ you help me carry this box? A. Can B. Do C. Are 37. My sister ________ cook, but I ________. A. can; can B. can't; can C. can; can't 38. —Can your dog do any tricks? —Yes, it ________. A. can B. is C. do 39. I'm sorry, I ________ come to your birthday party. A. can B. can't C. can not 40. ________ I ask you a question? A. Can B. Do C. Am 41. Look! I ________ touch my nose with my tongue. A. can B. can't C. am 42. You ________ watch TV now. It's time to study. A. can B. can't C. can't to 43. ________ your brother play basketball well? A. Can B. Does C. Is 44. —Can we play video games now? —No, you ________. Do your homework first. A. can B. can't C. don't 45. A baby ________ walk, but it ________ cry. A. can't; can B. can; can't C. can't; can't 八、根据中文提示完成句子 46. 猴子会爬树。 Monkeys ________ ________ trees. 47. 你能看见河里的鱼吗？ ________ you ________ the fish in the river? 48. 我不会滑冰。 I ________ ________. 49. 我们可以明天见面吗？ ________ ________ meet tomorrow? 50. 他不可以用我的电脑。 He ________ ________ my computer. 练习题答案与解析 一、用 can 或 can't 填空 1. can (表示能力) 2. can't; can (不会说中文，但会说英文) 3. Can; can't (问"你能帮我吗？"，回答"对不起，我不能") 4. can't (狗不可能飞) 5. can (晚上我们能看见月亮) 6. can't (两岁的弟弟还不会读书) 7. can't (太吵了，我听不见你) 8. Can; can (问"我可以用你的电话吗？"，回答"可以") 9. can (鸟会唱歌) 10. can (因为他很强壮，所以能跑得快) 二、改为否定句 11. I cannot (can't) play basketball. 12. She cannot (can't) dance very well. 13. They cannot (can't) come to our party. 14. He cannot (can't) drive a car. 15. We cannot (can't) finish the work today. 三、改为一般疑问句及回答 16. Can you answer the question? -> Yes, I can. / No, I can't. 17. Can she cook dinner? -> Yes, she can. / No, she can't. 18. Can they play chess? -> Yes, they can. / No, they can't. 19. Can he fix the bike? -> Yes, he can. / No, he can't. 20. Can the cat climb trees? -> Yes, it can. / No, it can't. 四、对划线部分提问 21. What can you do? (对"做什么"提问) 22. What can she play? (对"玩什么"提问) 23. What can they do in the park? (对"做什么"提问) 24. What can your brother do? (对"做什么"提问) 25. What can you see at night? (对"看见什么"提问) 五、翻译句子 26. I can play tennis. 27. He can't fly a kite. 28. Can you help me? 29. Fish can't walk. 30. Can we play soccer here? 六、改正错误 31. She can play the piano. (情态动词后跟动词原形) 32. I can speak French. (情态动词后跟动词原形，去掉to) 33. Can he drive a car? (情态动词后跟动词原形) 34. They can't swim. (情态动词的否定直接加not，不需要助动词do) 35. You cannot (can't) eat in the library. (正确，can not可缩写为can't) 七、选择题 36. A (请求帮助："你能帮我搬这个箱子吗？") 37. C (我姐姐会做饭，但我不会) 38. A (问"你的狗会耍把戏吗？"，回答"是的，它会") 39. B (道歉："对不起，我不能来你的生日派对") 40. A (礼貌请求："我能问你一个问题吗？") 41. A (展示能力："看！我能用舌头碰到鼻子") 42. B (不允许："你现在不能看电视") 43. A (问能力："你哥哥篮球打得好吗？") 44. B (拒绝许可："不，你们不能。先做作业") 45. A (婴儿不会走路，但会哭) 八、根据中文提示完成句子 46. can climb 47. Can; see 48. can't skate 49. Can we 50. can't use 学科网（北京）股份有限公司 $$