Unit 2 Home Sweet Home （情态动词can和could练习题）2025-2026学年人教版（2024）英语八年级上册

Unit 2 Home Sweet Home 现在完成时练习题 一、用can或could填空 1. My father _ play the piano when he was a student, but now he _ not. He is too busy. 2. —_ your little sister speak English now? —Yes, she _. She started learning last year and can say many simple sentences. 3. —_ you help me carry this heavy box? —Sorry, I _ not. I have to finish my homework first. 4. It _ be dangerous to walk alone at night, so you should go with a friend. 5. You _ borrow this storybook from the library, but you can only keep it for two weeks. 6. When Tom was 10, he _ already ride a bike. Now he _ even ride a motorcycle. 7. We _ not go to the park yesterday because it rained heavily. 8. —_ you please pass me the salt? —Yes, here you are. 9. —_ I use your pen? Mine is broken. —Yes, you _. Here you are. 10. My sister _ not cook last year, but now she _ cook many delicious dishes. 11. —_ your pet dog do any tricks? —Yes, it _ shake hands and roll over. 12. My mother _ play the piano very well when she was young, but now she _ not—she hasn’t practiced for years. 13. When I was 5, I _ not swim at all. But after taking lessons, I _ swim across the pool by the age of 7. 14. Mr. Li _ fix computers when he was a college student. Now he’s a computer engineer and _ fix even more complex problems. 15. We _ not climb the mountain yesterday because the path was too steep, but we _ try again next month when the weather is better. 16. Mary _ dance ballet when she was 10, but she stopped because of an injury. Now she _ only dance simple dances. 17. When I was a child, I _ go to the park with my parents every weekend. 18. —_ we watch TV for a while after finishing homework? —No, you can’t. You have to read a book. 19. My grandma _ speak a little English when she was young, but now she can’t remember any. 二、单项选择 1. —_ I borrow your dictionary for a few minutes? —Sure, here you are. A. Must B. Should C. Could D. Need 2. —_ you swim when you were 5 years old? —No, I couldn’t. But now I _ swim very well. A. Can; can B. Could; can C. Can; could D. Could; could 3. My grandma is 70 years old, but she _ still use a smartphone to video call us. A. can B. could C. must D. should 4. It _ be very cold in Harbin in winter, so you need to take warm clothes. A. can B. could C. will D. shall 5. You _ use my pen, but you must give it back to me tomorrow. A. could B. can C. must D. should 6. —Is that Lucy’s brother? He _ be Lucy’s brother. He’s much taller than Lucy. —No, it is her brother. He grew a lot last year. A. can’t B. couldn’t C. mustn’t D. shouldn’t 7. —_ I ask you a question about English grammar? —Of course you _. A. Must; can B. Can; could C. Could; can D. Should; could 8. When Tom was 12, he _ run 100 meters in 15 seconds, but now he’s slower because he doesn’t exercise. A. can B. could C. may D. might 9. When I was young, I _ run fast, but now I can’t because of my leg injury(损伤). A. can B. could C. may D. might 10. —_ you please pass me the salt? —Of course. A. Must B. Could C. Should D. Need 11. The little girl _ speak English when she was 3. She is really smart. A. can B. could C. may D. might 12. —_ you play the violin when you were in primary school? — No, I couldn’t. But I _ play it well now after two years of practice. A. Can; can B. Could; can C. Can; could D. Could; could 13. My little cousin is only 4 years old, but she _ already count from 1 to 100. She’s very clever. A. can B. could C. must D. should 14. —_ your father drive a car when he was 20? —Yes, he learned it quickly and _ drive very well soon after. A. Can; can B. Could; could C. Can; could D. Could; can 15. Lisa _ not ride a bike last year, but now she _ even ride a mountain bike on rough roads. A. can; can B. could; could C. could; can D. can; could 16. —_ I borrow your dictionary, Tom? —Sure, here you are. A. Must B. Should C. Can D. Need 17. —_ we go out for a walk this evening, Mom? —I’m afraid not. You have to finish your homework first. A. Could B. Need C. Must D. Should 18. In the past, students _ not use mobile phones in class, and now it’s still the rule. A. can B. could C. must D. should 三、句型转换(按要求改写句子) 1. He can play basketball well.(改为一般疑问句) _ he _ basketball well? 2. They could swim in the river when they were young.(改为否定句) They _ _ in the river when they were young. 3. Could I go to the party with my friends?(作肯定回答) _, you _. 4. The students can finish their homework in an hour.(改为一般过去时) The students _ _ their homework in an hour yesterday. 5. Lucy could play the guitar at the age of 8.(对划线部分提问) _ _ Lucy _ at the age of 8? 6. Can you speak French?(作否定回答) No, _ _. 7. My brother could ride a bike at the age of 6.(对划线部分提问) _ _ your brother _ at the age of 6? 8. He can speak three languages fluently.(改为一般疑问句) _ he _ three languages fluently? 9. They could finish the project in three days last year.(改为否定句) They _ _ the project in three days last year. 10. Can your brother play basketball well?(作肯定回答) Yes, _ _. 11. The students can solve this math problem now.(改为一般过去时的否定) The students _ _ this math problem last term. 12. You can use my computer.(改为一般疑问句) _ _ use your computer? 13. Students can’t eat snacks in the classroom.(改为一般过去时) Students _ _ snacks in the classroom in the past. 14. He can play basketball after school.(改为否定句) He _ _ basketball after school. 15. Could she borrow your ruler?(作否定回答,语气委婉) _, she _. I need it now. 四、汉译英(用can或could完成) 1. 我小时候会弹吉他,但现在不会了。 _ 2. 你能帮我把窗户打开吗?外面太热了。 _ 3. 明天可能会下雨,所以别忘了带伞。 _ 4. 他爷爷虽然 80 岁了,但还能自己种菜。 _ 5. 昨天我没能去参加聚会,因为我生病了。 _ 6. 我爷爷年轻的时候会开飞机,但现在他不能了。 _ 7. 两年前,汤姆还不会游泳,但现在他能游得很快。 _ 8. 你妹妹现在能自己穿衣服了吗?她去年还不会呢。 _ 9. 我爸爸以前会修自行车,现在他还能帮邻居修呢。 _ 10. 昨天我没能完成作业,因为太难了,我不会做里面的几道题。 _ Unit 2 Home Sweet Home 参考答案及解析 一、用can或could填空 1. could; can(过去的能力用could,现在的能力用can) 2. Can; can(描述现在的能力,用can) 3. Could/Can; can(第一空:请求许可,can或could均可,could更委婉用;第二空:Could 提出请求时,否定回答需用can not) 4. can(can在这里表示“客观上的可能性”,强调某种情况有发生的可能性,符合语境中 “夜间独行存在危险”这一客观事实) 5. can(陈述当前允许的事情,用can) 6. could; can(过去的能力用could,现在的能力用can) 7. could(表达“过去的不可能性或不许可”,用could) 8. Could(Could you please... 为固定句式,表委婉请求) 9. Could/Can; can(第一空:请求许可,can或could均可,could更委婉用;第二空:Could 提出请求时,肯定回答需用can) 10. could; can(过去的能力用could,现在的能力用can) 11. Can; can(描述现在的能力,用can) 12. could; can(过去的能力用could,现在的能力用can) 13. could; could(描述过去的能力,用could) 14. could; can(过去的能力用could,现在的能力用can) 15. could; can(第一空:表示“过去由于客观原因而无法做某事”,用could;第二空:表达“现在看来将来有能力/可能做某事”,用现在时的can,表示当前判断的未来可能性。) 16. could; can(过去的能力用could,现在的能力用can) 17. could(when I was a child表示过去,用 could) 18. Can/Could(请求许可,can或could均可,could更委婉) 19. could(描述过去的能力,用could) 二、单项选择 1. C(委婉请求用could) 2. B(过去的能力用could,现在的能力用can) 3. A(描述现在的能力,用can) 4. A(表示“可能会”,客观事实用can) 5. B(允许对方做某事,用can,陈述当前许可) 6. A(表示“不可能”,否定推测用can’t,couldn’t语气更弱,此处用can’t更贴合语境) 7. C(第一空用could表委婉请求,第二空用can表当前许可) 8. B(描述过去的能力,用could) 9. B(描述过去的能力,用could) 10. B(Could you please... 为固定句式,表委婉请求) 11. B(描述过去的能力,用could) 12. B(过去的能力用could,现在的能力用can) 13. A(描述现在的能力,用can) 14. B(描述过去的能力,用could) 15. C(过去的能力用could,现在的能力用can) 16. C(请求许可,用can) 17. A(请求许可,could语气比can更委婉,适合向长辈请求) 18. B(in the past表示过去,表过去的许可用could) 三、句型转换(按要求改写句子) 1. Can; play(一般疑问句,can提前,后接动词原形) 2. couldn’t; swim(否定句,could后加not,缩写为couldn’t,后接动词原形) 3. Yes; can(could表请求时,肯定回答用can,不用could) 4. could; finish(can的过去式为could,后接动词原形) 5. What; could; do(划线部分“play the guitar”是动作内容,对动作提问需用特殊疑问词What,原句含情态动词could,变一般疑问句时需将could 提前,划线部分是动作,提问时用do代替原动作) 6. I; can’t(问句中主语是“you”,回答时需转换为第一人称“I”,“can”的否定形式是“can't”) 7. What; could; do(划线部分“ride a bike”是动作内容,对动作提问需用特殊疑问词What,原句含情态动词could,变一般疑问句时需将could提前,划线部分是动作,提问时用do代替原动作) 8. Can; speak(一般疑问句,can提前,后接动词原形) 9. couldn’t; finish(can的过去式为could,后接动词原形) 10. he; can(问句中主语是“your brother”,回答时需转换为第一人称“he”,“can”提问,肯定用“can”) 11. could; solve(can的过去式为could,后接动词原形) 12. Can; I(含can的陈述句变一般疑问句,将can提前,原句“You”变第一人称“I”) 13. couldn’t; eat(过去时的否定,could后加not,缩写为couldn’t,后接动词原形) 14. can’t; play(can的否定为can’t,后接动词原形) 15. Sorry; can’t(否定回答语气委婉,先致歉,用can’t表不允许) 四、汉译英(用can或could完成) 1. I could play the guitar when I was young, but now I can’t. 2. Could you help me open the window? It’s too hot outside. 3. It can rain tomorrow, so don’t forget to take an umbrella. 4. Although his grandfather is 80 years old, he can still grow vegetables by himself. 5. I couldn’t go to the party yesterday because I was ill. 6. My grandfather could fly a plane when he was young, but now he can’t. 7. Two years ago, Tom couldn’t swim, but now he can swim very fast. 8. Can your sister dress herself now? She couldn’t do it last year. 9. My father could repair bikes before, and now he can still help neighbors repair them. 10. I couldn’t finish my homework yesterday because it was too difficult, and I couldn’t solve some of the problems in it. 1 学科网(北京)股份有限公司 $