Unit 2 Section A Grammar Focus 语法课件-2024-2025学年人教版英语七年级下册

202503 Section A Grammar Focus Unit 2 Let’s review the school rules. 1. Review the school rules Ms Brown talks about. (1) ______ in the hallway. Don’t ______! (2) You have to ______ the uniform. You mustn’t ______________ to schoo instead. (3) Don’t ______. Make sure to keep the school tidy. (4) We must ______ polite and ______ everyone with respect. Walk run wear wear other clothes litter be treat Let’s review the school rules. 2. Review the school rules Anne tells Tom. Tom: Can we _______ sweets? Anne: No, we can’t _______ snacks in class. Tom: Can we _______ water? Anne: Yes, of course. Tom: Can we _______ mobile phones? Anne: No, we mustn’t _______ our mobile phones to class. We have to _______ them off and _______ them in our lockers. eat eat drink bring bring turn keep Walk in the hallway. Don’t run! Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter. Can we bring our phones to class? No, we can’t. We must keep them in our lockers. Can we eat snacks in class? No, we can’t eat in class. We have to eat in the dining hall. Read the sentences. Do the verbs in bold need to change forms? Why? 3a 不要奔跑！ 守礼貌，尊重他人。 不要乱丢垃圾。 我们能不能带手机到教室？ 不，我们不能。我们必须把它们放在柜子里。 我们能不能在教室吃零食？ 不，我们不能在教室吃东西。我们必须在餐厅吃东西。 缓步慢行。 Imperative Sentences Walk in the hallway. Be polite and treat one another with respect. Don’t run! Don’t litter. 祈使句 Please give me a hand.（请求） 用于表达_________、 _________ 、 _________ 等语气的句子。 定义 Come in and wash your hands.（命令） Be kind to your brother.（劝告） 例句 祈使句 命令 请求 劝告 Imperative Sentences 1 通常省略主语you，以动词原形为开头 祈使句 2 为了让祈使句听起来比较客气、委婉，可在句首或句末加上please 3 祈使句的否定一般在句首加 don’t 特点 Imperative Sentences Do 型祈使句 祈使句 Imperative Sentences Close the window. 肯定句 ___________ + 宾语（+ 其他）. Don’t close the window. 否定句 ________ + 动词原形（+ 其他）. 动词原形 Don’t 1 情态动词没有除了have to之外，其余没有人称和数的变化 2 情态动词后跟动词原形 3 情态动词不能单独作谓语，必须和系动词或实义动词连用 特点 情态动词 Modal Verbs Summary 类型 肯定式句型结构 肯定式例句 否定式句型结构 否定式例句 DO型 Do + 动词原形 (+ 其他) Look at the blackboard Don't + 动词原形 (+ 其他) 1. Don't touch that! 2. Don't be late. Let型 Let + 宾语 + 动词原形 Let her go. 1. Don't let + 宾语 + 动词原形 2. Let + 宾语 + not + 动词原形 1. Don't let her go. 2. Let her not go. Be型 Be + 形容词/名词/介词短语 1. Be quiet. 2. Be a good student. Don't be + 形容词/名词/介词短语 1. Don't be late for school. No型 No + 动名词/名词短语 1. No smoking! 2. No photos. ——（本身表禁止） —— Complete the sentences using can, have to / must, or can't / mustn't. 3b 1. Don’t jump the queue. You ______________ wait your turn. 2. I ______ feed my dog many kinds of food, but I ______________ give him chocolate. It is bad for him! 3. A: Can I leave the classroom if I don't feel well? B: Yes, but you ________ tell your teacher about it when you _________ be absent from class. 4. A: Hey! Can I look at your book? B: Shh, we ______________ talk quietly in the library. 5. A: Can you put on your seat belt? We ______________ wear one when we're in a car. B: Sure. Thanks! have to / must can can’t / mustn’t have to/must have to/must have to / must have to / must 插队 离开教室 喂狗 系安全带 在图书馆里安静地交谈 等待轮到自己 Look at the first sign and read the rules. Then write the rules for the other signs. 3c Don’t park. No parking. You can’t / mustn’t park. Don’t take photos. No photos. You can’t / mustn’t take photos. Look at the first sign and read the rules. Then write the rules for the other signs. 3c Don’t swim. No swimming. You can’t / mustn’t swim. Don’t feed the birds. No feeding. You can’t / mustn’t feed the birds. Let’s watch and think. What rules do you know in the school library? In groups, brainstorm three rules for one of the places below. 3d library school dining hall park cinema hospital In the library, we must keep quiet. We mustn’t make noise. We can’t bring food to the library. We can’t talk loudly in the library. We have to return the books on time. … (2024海南) — _____ I go out with my friend now, Dad? — I’m afraid you have to finish your homework first. A. Can B. Should C. Must 中考链接 A (2024黑龙江哈尔滨) — In order to keep healthy, we _____ have breakfast. — You’re right. Breakfast is very important for our health. A. mustn’t B. can’t C. must C (2024北京) — Bill, _____ I use your ruler? — Of course you can. Here you are. A. can B. must C. need D. should A (2024四川乐山) — People _____ wear helmets (头盔) when they ride e-bikes according to the traffic rules. — Yes. Or they will be punished. A. must B. can C. may A (2022江苏淮安) — Miss Li, I don’t want to say sorry to Daniel. — I’m afraid you _______. After all, you broke his glasses. A. may B. have to C. mustn’t D. needn’t B (2022湖南湘西) — Sir, you _____ cross the road when the light is red. You know, building a civilized city (创建文明城市) is our duty. — Sorry, I won’t. A. needn’t B. must C. can’t C (2022北京) — ______ I take photos here? — Sorry. you can’t. It’s not allowed in the museum. Must B. Need C. Can D. Will C (2021江苏徐州) ______ you raise your feet off the floor? I’d like to see if my pen is under the desk. A. Must B. Can C. Should D. May B 1. Let me _____ (tell) you about my family. 2. ___________ (not listen) to music in class. 3. Do you have to ______ (wear) school uniforms every day? 4. You can’t eat in the classroom. You can _____ (eat) in the dining hall. 5. You must _____ (be) quiet in the library. 6. No ___________ (swim) in the river! It is too dangerous. 7. Boys and girls, please _____ (keep) the classroom tidy in school. 8. Everybody ________ (must, may) follow the traffic rules. 语法填空。 tell Don’t listen wear eat be swimming keep must THANKs Lavf58.20.100 $$