Unit 2 Home Sweet Home 核心语法专练 2026-2027学年人教版英语八年级上册

**基本信息** 聚焦can/could表请求与许可的语法专项，通过概念区分-句型模块-分层训练的体系化设计，强化语言应用能力与逻辑思维。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |核心语法|语法重难点区分+3模块句型示例|can/could用法对比、委婉请求/征求许可句型结构、肯定/否定回答规则|从概念界定到情境化句型构建，形成“规则-示例”认知闭环| |语法专练|4类题型（单选15题/填空10题/句型转换10题/翻译5题）|动词原形应用、否定请求表达、have to客观理由说明|从基础语法规则到综合语言应用，实现“理解-运用-迁移”能力递进|

Unit 2 Home Sweet Home 核心语法专练 一、核心语法:can /could 表示请求与许可(委婉请求、征求许可) 语法重难点区分 can / could 用于提出请求、征求许可;后接动词原形。 Could you please …? 委婉提出请求 “请你…… 好吗?”,向别人求助,语气比 can 更加客气。 肯定回答:Sure. / No problem. / Of course. 否定回答:Sorry, I can’t. I have to …(拒绝请求要说明理由) Could I …? / Can I …? 征求许可 “我可以…… 吗?”,向对方询问自己能否做某事;could 语气更委婉。 肯定回答:Yes, you can.(不用 could) 否定回答:Sorry, you can’t. You have to … 二、核心句型汇总 模块 A Could you please… 向别人提出请求(请你……) Could you please sweep the floor? 请你扫扫地好吗? Could you please not water the plants now? 请你现在不要给植物浇水好吗? 模块 B Could I / Can I … 征求许可(我可以…… 吗) Could I invite my friends to our new house? 我可以邀请我的朋友来新家吗? Can I put some flowers on the balcony? 我可以在阳台上放一些花吗? 模块 C 拒绝请求,用 have to 说明客观理由 —Could you help me sort these boxes? —Sorry, I can’t. I have to feed the fish first. — 你能帮我整理这些箱子吗? — 抱歉不行,我得先喂鱼。 三、语法专练 单项选择 1. —Could you please the floor? —Sure, I’ll do it right away. A. sweep B. sweeps C. sweeping D. to sweep 2. —Could I hang my picture on this wall? —. You can put it over there. A. Yes, you could B. No, you can’t C. Yes, you can D. No, you couldn’t 3. —Could you please play music so loudly? My grandma is sleeping. —Sorry. A. don’t B. not C. not to D. won’t 4. —Can you help me pack up my books? —Sorry, I . I wash the dishes. A. can’t; have to B. can; have to C. can’t; can D. can; must to 5. — I keep this small plant in my bedroom? —Yes, of course. A. Could B. Do C. Am D. Did 6. —Could you please feed the pet for me? —. I’m busy with my homework now. A. Sure B. No problem C. Sorry, I can’t D. Yes, here you are 7. —Could I your new box to keep my old magazines? —Sure. Here you are. A. uses B. use C. using D. to use 8. —Could I go out for a short walk after dinner? —Sorry, you . You finish your housework first. A. couldn’t; have to B. can’t; have to C. can’t; can D. couldn’t; must 9. Could you please these old magazines into different boxes? A. sort B. sorts C. sorting D. to sort 10. —Can I invite my classmates to our home this weekend? —. But you need to clean the living‑room first. A. Yes, you can B. Yes, you could C. No, you can’t D. No, you couldn’t 11. —Could you help me clean the bathroom? —I’m afraid I . I have to water the flowers. A. can B. can’t C. could D. couldn’t 12. Please remember:Could you please not rubbish on the floor. A. throw B. throws C. throwing D. to throw 13. — you please take out the rubbish? —OK, I will do it in one minute. A. Could B. Do C. Are D. Did 14. —Could I hang out with my friends after finishing chores? —Yes, you . A. could B. can C. will D. would 15. You tidy your room. Your relatives will arrive soon. A. have to B. has to C. having to D. to have to 用括号内单词的适当形式填空 1. Could you please (sweep) the floor for me? 2. Could I (invite) my deskmate to my new home? 3. Sorry, I can’t. I have to (pack) my school things. 4. Could you please not (feed) the cat too much food? 5. Can you help me (hang) up these nice pictures? 6. She has to (clean) the living‑room before guests come. 7. Could I (use) your scissors to cut the paper? 8. You don’t have to (water) the plants, it rained just now. 9. Could you please (take) out the rubbish when you leave? 10. —Can he (sort) these boxes? —Yes, he can. 句型转换(每空一词) 1. Could you please clean up the bedroom?(作肯定回答) , . 2. I can hang up some nice photos on the wall.(改为一般疑问句) hang up some nice photos on the wall? 3. Could I invite my good friends here?(作否定回答) , . You must finish your housework first. 4. He has to tidy his room before visitors come.(改为一般疑问句) he to tidy his room before visitors come? 5. Could you please water the flowers?(改为委婉请求的否定句) Could you please the flowers? 6. I can help take out the rubbish.(对画线部分提问) you ? 7. Can I put my story‑books on the sofa?(改用 could 改写,语气更委婉) put my story‑books on the sofa? 8. You should tidy your study.(改为向别人委婉请求) please tidy your study? 9. He can hang out with friends after finishing chores.(改为否定句) He hang out with friends after finishing chores. 10. Could I borrow your new basket?(改为同义句) I your new basket? 翻译题 1. 请你帮忙收拾这些箱子好吗? 2. 我可以把几张照片挂在墙上吗? 3. — 你能帮我打扫浴室吗? — 抱歉,我不能。我得给植物浇水。 4. 请你不要把垃圾放在卧室里面好吗? 5. 我可以邀请我的同学来新家吗? 参考答案 单项选择 1-5 ABBAA 6-10 CBBAA 11-15 BAABA 用括号内单词的适当形式填空 1. sweep 2. invite 3. pack 4. feed 5. (to) hang 6. clean 7. use 8. water 9. take 10. sort 句型转换 1. Sure; please 2. Can you 3. Sorry; you can’t 4. Does; have 5. not water 6. What can; do 7. Could I 8. Could you 9. can’t 10. May; borrow 翻译题 1. Could you please help pack up these boxes? 2. Could I hang some photos on the wall? 3. —Could you help me clean the bathroom? —Sorry, I can’t. I have to water the plants. 4. Could you please not put the rubbish in the bedroom? 5. Could I invite my classmates to my new house? 学科网(北京)股份有限公司 $