2025年六升七英语衔接期情态动词can与could用法辨析试卷及答案

2025 年六升七英语衔接期情态动词can 与could 用法辨析试卷及答 案 一、单项选择题（每题2 分，共10 题） 1. — ______ you play the piano when you were seven? — Yes, I ______. A. Can; can B. Could; could C. Can; could D. Could; can 2. My little brother is only three years old, but he ______ count to twenty. A. can B. could C. can’t D. couldn’t 3. ______ I borrow your dictionary? I forgot mine at home. A. Can B. Could C. May D. Should 4. In the past, people ______ travel as easily as we do now. A. can B. can’t C. could D. couldn’t 5. She ______ speak three languages fluently last year, and she still ______. A. can; can B. could; could C. could; can D. can; could 6. If you practice hard, you ______ improve your English quickly. A. can B. could C. couldn’t D. can’t 7. ______ you help me lift this heavy box? It’s too difficult for me alone. A. Can B. Could C. Will D. Would 8. He said that he ______ come to the party if he finished his work early. A. can B. could C. will D. would 9. Birds ______ fly, but penguins ______. A. can; can B. could; couldn’t C. can; can’t D. could; can 10. — ______ I use your phone to make an urgent call? — Of course you ______. A. Can; can B. Could; could C. Could; can D. Can; could 二、多项选择题（每题2 分，共10 题） 1. Which sentences use "can" or "could" CORRECTLY? (Choose TWO) A. She can sang beautifully when she was young. B. Could you pass me the salt, please? C. I can run faster than my brother last year. D. He could solve the math problem easily now. E. Can animals talk to each other? 2. Select the sentences where "could" expresses PAST ABILITY. (Choose TWO) A. Could you open the window? It’s hot. B. When I was five, I could ride a bike. C. She could swim across the lake yesterday. D. Could I ask you a question? E. They could be at home now. 3. Choose the sentences that use "can" or "could" to make a REQUEST. (Choose TWO) A. Can fish breathe underwater? B. Could you please turn down the music? C. I can finish my homework by 8 PM. D. Can I have a glass of water? E. He could play chess when he was six. 4. Identify sentences where "could" indicates POSSIBILITY. (Choose TWO) A. It could rain later, so take an umbrella. B. Could you lend me your pen? C. She could speak French fluently last year. D. The keys could be in the drawer. E. Can we go to the park tomorrow? 5. Which options use "can" or "could" to express PRESENT ABILITY? (Choose TWO) A. My grandmother could cook delicious meals in the past. B. Can you see the mountains from your window? C. Elephants can remember places for many years. D. Could I borrow your book next week? E. He can’t swim very well yet. 6. Select the sentences where "could" is used POLITELY. (Choose TWO) A. Could you tell me the time? B. I could run fast when I was young. C. Could I possibly have another slice of cake? D. Can we start the meeting now? E. She could dance ballet at age seven. 7. Choose the sentences that use "can" or "could" to ask for PERMISSION. (Choose TWO) A. Can I leave early today? B. Could birds fly to warmer places in winter? C. You can use my computer if you need to. D. Could we visit the museum tomorrow? E. He can fix the bike himself. 8. Identify sentences where "could" refers to FUTURE POSSIBILITY. (Choose TWO) A. We could go to the beach if the weather is nice. B. Could you help me later? C. She could finish the project by Friday. D. I could swim when I was four. E. Could this be the right answer? 9. Which options show INCORRECT usage of "can" or "could"? (Choose TWO) A. Last summer, we can climb that mountain. B. Could you tell me where the station is? C. Can he speaks Japanese? D. I could order pizza for dinner tonight. E. She can to play the guitar well. 10. Select sentences where "can" expresses GENERAL TRUTH. (Choose TWO) A. Lions can run very fast. B. Can you drive a car? C. Water can boil at 100 degrees Celsius. D. Could I use your phone? E. He can be very kind sometimes. 三、判断题（每题2 分，共10 题） 1. "Can" is only used to talk about present ability, while "could" is only for past ability. (True/False) 2. "Could" is always more polite than "can" when making requests. (True/False) 3. "Could" can be used to express possibility in the present or future. (True/False) 4. We use "can" to ask for or give permission formally. (True/False) 5. "When I was young, I can swim very well." – This sentence is grammatically correct. (True/False) 6. "Could" is the past tense form of "can." (True/False) 7. "Can" can be used to talk about theoretical possibility. (True/False) 8. "Could" can be used in conditional sentences to talk about hypothetical situations. (True/False) 9. "Can I...?" and "Could I...?" mean exactly the same thing when asking for permission. (True/False) 10. "She could sing now if she practiced more." – In this sentence, "could" refers to past ability. (True/False) 四、简答题（每题5 分，共4 题） 1. Explain the main difference between using "can" and "could" to talk about ability. Give one example for each. 2. How do we use "could" to make a polite request? Why might someone choose "could" instead of "can"? Give an example. 3. Describe two different situations where we use "could" (not about past ability or polite requests). Provide an example for each situation. 4. Is it always possible to use "could" instead of "can" when asking for permission? Explain your answer with an example. 答案 一、1. B 2. A 3. B 4. D 5. C 6. A 7. B 8. B 9. C 10. C 二、1. B, E 2. B, C 3. B, D 4. A, D 5. B, C 6. A, C 7. A, D 8. A, C 9. A, C 10. A, C 三、1. False 2. True 3. True 4. False 5. False 6. True 7. True 8. True 9. False 10. False 四、1. "Can" describes present ability ("I can swim now"). "Could" describes past ability ("I could swim when I was five"). 2. "Could" makes requests more polite/formal ("Could you help me?"). It shows extra respect. 3. (1) Present/Future possibility ("It could rain tomorrow"). (2) Conditional/Hypothetical situations ("If I had time, I could help"). 4. No. "Could" is more polite but less direct. For immediate permission among friends, "Can I...?" is common ("Can I borrow your pen?").