2025年六年级英语下册情态动词辨析专项试卷及答案

2025 年六年级英语下册情态动词辨析专项试卷及答案 一、单项选择题（每题2 分，共10 题） 1. —______ I borrow your pen? —Yes, you ______. A. May; may B. Can; can C. Must; must D. Should; should 2. You ______ play with fire. It’s dangerous. A. mustn’t B. needn’t C. couldn’t D. wouldn’t 3. —______ you help me carry this box? —Sorry, I ______. I’m busy now. A. Could; couldn’t B. Can; can’t C. Must; mustn’t D. Should; shouldn’t 4. Students ______ finish their homework on time. A. ought B. ought to C. should to D. must to 5. It’s raining heavily. You ______ take an umbrella. A. might B. could C. should D. would 6. —______ I watch TV now, Mom? —No, you ______. Do your homework first. A. May; mustn’t B. Can; can’t C. Must; needn’t D. Shall; won’t 7. He ______ speak three languages when he was ten. A. can B. could C. may D. might 8. You ______ eat too much junk food. It’s bad for your health. A. don’t have to B. shouldn’t C. needn’t D. couldn’t 9. —______ we go to the park tomorrow? —Good idea! A. Shall B. Will C. Would D. Must 10. You ______ return the book to the library by Friday. A. have to B. might C. could D. may 二、多项选择题（每题2 分，共10 题） 1. Which sentences are correct? A. She can plays the piano. B. They must finish the work. C. He should to study harder. D. We may go hiking next week. 2. Choose the correct modal verbs to complete the sentence: "If you want to join the club, you ______ be under 12 years old." A. can B. must C. could D. should 3. Which modal verbs express permission? A. may B. can C. must D. might 4. Select the sentences that use "should" for advice: A. You should apologize to her. B. Should I open the window? C. He should arrive by 5 PM. D. They should not litter here. 5. Identify sentences with correct negative forms: A. You mustn’t smoke here. B. She can’t swim. C. He may not comes late. D. We shouldn’t to eat in class. 6. Choose the appropriate modal verbs for ability: A. I could run fast when I was young. B. She may sing well. C. They can solve the problem. D. He must climb mountains. 7. Which sentences show obligation? A. You must wear a helmet. B. She has to clean her room. C. We should be polite. D. They needn’t hurry. 8. Select correct responses to "May I leave early?" A. Yes, you may. B. No, you mustn’t. C. Yes, you can. D. No, you shouldn’t. 9. Identify sentences where "could" indicates possibility: A. Could you pass me the salt? B. It could rain later. C. She could be at home. D. They could finish the project. 10. Choose sentences with correct question forms: A. Must I do this now? B. Should we to leave? C. Can he speaks French? D. May I come in? 三、判断题（每题2 分，共10 题） 1. "Must" expresses weaker obligation than "should". (True / False) 2. "May not" means "is not allowed to". (True / False) 3. "Can" and "may" are interchangeable when asking for permission. (True / False) 4. "Could" is the past tense of "can". (True / False) 5. "Shouldn’t" means "it is not necessary". (True / False) 6. "Have to" and "must" always mean the same. (True / False) 7. "Might" indicates higher probability than "may". (True / False) 8. "Needn’t" means "do not need to". (True / False) 9. "Ought to" is followed by a base verb. (True / False) 10. "Would" can be used to express polite requests. (True / False) 四、简答题（每题5 分，共4 题） 1. Write three sentences using "must" to show obligation. 2. Explain the difference between "can" and "may" in asking permission. 3. Rewrite using "should": "It’s a good idea to drink more water." 4. Create a dialogue using "could" for a request and "can’t" for inability. 答案 一、1. A 2. A 3. B 4. B 5. C 6. A 7. B 8. B 9. A 10. A 二、1. BD 2. AB 3. ABD 4. AD 5. AB 6. AC 7. AB 8. ABC 9. BC 10. AD 三、1. F 2. T 3. T 4. T 5. F 6. F 7. F 8. T 9. F 10. T 四、1. Students must wear uniforms. Drivers must stop at red lights. You must finish homework. 2. "May" is more formal; "can" is informal but both ask permission. 3. You should drink more water. 4. A: Could you help me? B: Sorry, I can’t right now.