Unit 2 Section A Grammar Focus--3d课件2024-2025学年人教版（2024）英语七年级下册

Unit 2 No Rules, No Order Section A What rules do we follow?（Grammar Focus） Presentation Watch and fill What school rules do they follow? ______ use cellphones in class. Rule 1:______ cellphones in class. Rule 2:______ your hand to speak. Rule 3:_________ your classmates and your teacher. Rule 4:___ prepared (准备) for class. Rule 5:______ sleeping in class. ______ sleep in class. No Don’t Respect Raise Be No Don’t ______ obey the rules. _______ break the rules Let’s Let’s not Stand up. Sit down. Take a seat. Open your book. Raise your hands. Clap your hands. Use your pen. I say, you do. Game Time Look at the blackboard 祈使句 (Imperative sentences) /ɪmˈperətɪv/ 祈使句Imperative sentences 命令 建议 祝愿 请求 警告 劝说 ... Help me, please. Have fun. Stand up. No photos. Let's start the party. Don’t be sad. Presentation 3a Read the sentences. Do the verbs in bold need to change forms? Why? 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. Imperative sentences Modal verbs 礼貌待人，互相尊重。 我们可以带手机来上课吗? 我们能在课堂上吃零食吗? 不要跑！ 不要乱扔垃圾。/你一定不能乱扔垃圾。/你不能乱扔垃圾。 不，我们不能。我们必须把它们放在储物柜里。 不，我们不能在课堂上吃零食。我们必须在餐厅吃。 3a Translate the sentences. 在走廊里走。 Presentation Look and say Make a summary. 肯定祈使句 ② Be 型祈使句 ③ let 型祈使句 ① do型祈使句 否定祈使句 Don’t be+表语+其他. Don’t let+宾语+动原+其他. Let+宾语+not+动原+其他. Don’t+动原+其他. Be+表语+其他. 动原+其他. Let+宾语+ 动原+其他. No + 动词-ing! No + 名词! 表示“禁止” ④ No 型祈使句 祈使句歌诀 祈使句，祈使句，请求、命令或建议。 主语是______常省去，_________开头记。 否定形式要注意，______放到句首去。 要讲客气用______，句首、句末没关系。 No doing! 需提起，表示________不小觑。 you 动词原形 Don’t please “禁止” 情态动词 can ①表示能力：表示有能力做某事，尤其是生来具备的能力。 eg. She can swim fast, but I can’t.（她能游得很快，但我不能。） ②表示许可：常用于口语中，表示允许。 eg. You can use my dictionary.（你可以用我的字典。） ③表示可能性：用于否定句和疑问句中，表示“可能”。 eg. Can the news be true?（这个消息会是真的吗？） have to ①表示客观需要：由于外部因素或情况而必须做某事。 eg.We have to leave early to catch the flight. （我们得早点走才能赶上飞机。） ②表示义务：强调客观的义务或必要性。 eg. I had to work when I was your age. （当我像你这么大的时候，我不得不工作。） 情态动词 must ①表示主观看法：表示个人认为必须做某事。 eg.You must talk to them about their study.（你必须同他们谈谈关于他们学习 的事。） ②表示禁止：用于否定句中，表示“不许”。 eg.You mustn’t play with fire.（你不能玩火。） ③表示推测：用于肯定句中，表示有把握的推测。 eg. He must be ill. He looks so pale.（他肯定是病了。他的脸色那么苍白。） must&have to ①侧重点不同：must强调主观看法，而have to强调客观需要。 ②否定形式不同：must的否定形式是mustn’t， 表示“不许”；have to的否定形式是don’t have to，表示“不必”。 ③时态形式不同：have to有多种时态形式，而 must一般只表现在时态中。 Section A 3b Complete the sentences using can, have to / must, or can’t / mustn’t. 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 排队 缺席 一般疑问句的肯定回答也可用Sure或Of course Do not park here. No parking. You can’t / mustn’t park here. 3c Look at the first sign and read the rules. Then write the rules for the other signs. Do not take photos here. No photos. You can’t / mustn’t take photos. Do not swim. No swimming. You can’t / mustn’t swim. Do not feed the birds. No feeding. You can’t / mustn’t feed the birds. 3c. Look at the first sign and read the rules. Then write the rules for the other signs. Let’s role play. Work in groups, talk about school rules and make a poster. 3d. In groups, brainstorm three rules for one of the places below. Then draw signs to show the rules. Share your signs in class and explain what they mean. Park： We mustn’t pick the flower. We mustn’t litter. We can’t walk on the grass. Cinema： We mustn’t talk loudly. We mustn’t use mobile phones during the movie. We must take away our trash after the movie. School dining hall： We mustn’t waste food. We must keep the table tidy. We can’tjump the quene for food. Hospital： We must... 插队 → jump the queue 小声讲话 → talk quietly 等待 → wait for 互相 → one another/ each other 举手 → raise/put up one’s hand 缺席; 不在 → be absent from 系上安全带 → put on seat belt 保持安静 → keep quiet 制造噪音 → make noise 对……有害 → be bad for Key phrases: 下面是学校电脑室的规定,请根据提示完成句子,每空词数不限。 1._____________________(保持安静)in the computer room. 2._________________________(不要吃喝) in the computer room. 3._________________________(不要跑)in the computer room. 4._________________________(不要听音乐) in the computer room. 5._________________________(打扫计算机室)every day. Keep quiet Don’t eat and drink Don’t run Don’t listen to music Clean the computer room. Exercises: $$