Unit2 Grammar Focus 课件-2025-2026学年人教版（2024）英语八年级上册

猴哥，今天咱们学什么？你这呆子今天这么积极，can you tell . me why啥看啥？猴哥你说慢点儿，俺都跟不上了。俺说今天来教你。情态动词想看他表示能力，比如i can jump，我能跳得高，这就是能力。那俺很能吃是不是？就可以说艾克尼的老子不。还有裤子也是表示能力，不过常常用于过去式或者更礼貌的时候，就像艾克里our stones。我我想当我年轻的时候，我能从石头里钻出来。嘿猴哥真厉。 Could you please get me a glass of winter? Yes, could you please pass the salt? Excuse me. yes. How can I help you? Could I please have a glass of water? Of course. Would you like ice? No ice, please? Okay, one water, no ice. I'll be right back with that. Thank you. Here is your water. Thanks so much. You're very welcome. Can you help me pursue? 马冬梅。大春请人帮忙，怎么能用卡缪呢？这样很不礼貌。你在问我有没有能力吗？好像是有点质疑，不过我该怎么问？你可以用克或者是勿克表示请求。你可以说could you help me？你能帮我一下吗？这样语气比较委婉，我就表示询问对方意愿。比如would you help me？意思是你愿不愿意帮我一下，这样更礼貌。什么意思？总结下来就是看你有那个本事帮我吗？Could不好意思，可以帮我一下吗？Would亲，你可不可以帮我一下下，明白了。 Unit 2 Unit 2 Home Sweet Home SectionA (Grammar Focus 3a-3c) Lead in Can/Could you...?  Can/Could I...?  归纳并总结情态动词can和could用于礼貌地提出请求和征询许可的结构特征、功能。 根据实际情境，能得体地对请求或许可征询问题给出回应。 Learn new words and expressions until movie dead note community rubbish be careful with the movies take notes clean up prep.到……时；直到……为止 /'muvi/ n.电影 /ded/ adj.不运行的；死的 n.笔记；记录；便条v.注意；指出 /ka'mjunati/ n.社区；社团 n. 垃圾 注意；当心 电影院；电影产业 做笔记 清扫 Can Could 表示能力的用法 Read the questions with can or could. Notice how they are answered. Then write R for requests or P for permission next to each question. Could you please sweep the floor? Yes, Dad. I’ll do it at once. Could I hang out with my friends after lunch? Sorry, Jim, but you have to pack up your things first. Can I put some flowers on the table? Yes, good idea! Can you help me hang up the photos? Sure. / No problem! 7 1. 看句子开头 如果是 Can/Could you...? → 通常是请求R（请别人做某事） 如果是 Can/Could I...? → 通常是许可P（询问自己是否能做某事） 2. 看回答内容 如果回答是Yes, I will. / Sure!  → 通常是请求R 如果回答是允许/禁止某个行为Yes, you can. / No, you can’t.  → 通常是许可P Watch carefully 8 Could you please sweep the floor? Yes, Dad. I’ll do it at once. Could I hang out with my friends after lunch? Sorry, Jim, but you have to pack up your things first. Can I put some flowers on the table? Yes, good idea! Can you help me hang up the photos? Sure. / No problem! R P R P 9 情态动词can和could都可用于表示能力、提出请求和许可等。 用法 can（现在/未来） could（过去/委婉） 应答 能力 She can swim. She could swim as a child. 肯定 否定 请求 Can you help? Could you help?（更礼貌） Yes, of course Sure / OK No problem Sorry, I can't. I'm sorry, but. . . 许可 Can I go? Could I go?（更正式） Yes, you could. Yes, please do. Of course, you can. No, you can’t. Sorry, you can’t. Choose the best question to complete each conversation. A: ______________ B: Of course you can. 2. A:____________________ B:Yes, if you are careful with it. C D A. Could you give me a ride to town now? B. Can I stay out until eleven? C. Mr Lake, could I go to the toilet? D. Could I use your computer? 3. A:________________ B: No, you can’t. You have a basketball game tomorrow, remember? You need a good rest. 4. A: Can I go to the movies? B: Of course. A: ___________________ B: I can’t. I have to do some work now. B A Make up conversations for each setting, using can or could. 1. You’re at your friend’s home. You want to call your parents, but your phone is dead. A: Can / Could I use your phone? B: Sure. / Of course. 2. You were sick at home yesterday. Your friend went to an English class and took notes. You want to know more about the class. A: Can I borrow your notes from English class? B: Sure. Here you are. 3. You are holding a large box. It is difficult to open the door. Your neighbour comes. A: Excuse me, could you please open the door for me? B: Of course! There you go! 4. You and your classmates want to help clean up the community. Ask your classmates to bring gloves and rubbish bags. A: Can everyone bring gloves to help clean up the community, please? B: Sure! A: Sarah, could you please bring some rubbish bags? C: No problem! How many do you need? A: 20, I think. C: OK. until not ... until ... 意思 直到…… 直到……才…… 含义 表示 “直到…… 为止”，强调某个动作或状态一直持续到 “until” 所引导的时间点。 表示 “直到…… 才……”，强调某个动作直到 “until” 所引导的时间点才开始发生，在这之前该动作没有发生。 用法场景 通常用于肯定句中，句子的谓语动词是延续性动词（表示能够持续进行的动作，如 “wait（等待）”“stay（停留）” “work（工作）” 等）。 用法场景：用于否定句中，句子的谓语动词通常是非延续性动词（表示瞬间完成、不能持续的动作，如 “start（开始）”“arrive（到达）”“leave（离开）” 等）。 例句 She stayed at home until her mother came back.她待在家里，直到她妈妈回来。 He didn't start to work until he finished his breakfast.（他直到吃完早饭才开始工作。） I. 单项选择。 ( )1.— ______ I borrow your pen? — Sure, here you are. A. Should B. Can C. Must ( )2. — I forgot to bring my dictionary. Could I use yours? — Yes, you _______. A. can B. must C should ( )3. — ______ I use your phone to make a call? — Sorry, it’s out of battery. A. Would B. Must C. Could ( )4.--        I watch TV now, Mum? --Sure, but you        finish your homework first. A. Must; needn't   B. Can; may   C. Can; must   D. May; mustn't B C A C ( )5.--Ms Du, could you tell me something about lion dance? --           It's usually performed by two people dressed in a lion's clothes. A.No problem.  B. Take it easy.  C. It doesn't matter.  D. Sorry to hear that. ( )6.My car is broken.      you give me a lift? A. Must  B. Need  C.Should  D.Could ( )7.He waited ______ the bus came. A. when B. until C. as D. if ( )8.She ______ go to bed ______ her mother came back last night. A. doesn't; until B. didn't; until C. won't; until D. isn't; until A D B B 1. 请求许可 could 更礼貌（如 Could I borrow your book?） can 更直接（如 Can I use your phone?） 2. 规则/能力 用 can（如 You can’t smoke here.） 3. 回答许可 肯定回答：Yes, you can. / Sure./ Of course. / No problem. 否定回答：Sorry, you can’t / couldn’t. 4. Can you help? (更直接 ) Could you help?（更礼貌） 回答请求 肯定回答：Yes, of course / Sure / OK / No problem 否定回答：Sorry, I can’t / I'm sorry, but. . . That’s all,Good bye! $