Unit 6 Section 2 Grammar课件 2025-2026学年沪教版英语八年级下册

该初中英语课件聚焦情态动词should和had better的用法，通过Warming-up环节回顾can、must等已知情态动词，结合对话、视频填空等活动引入新知，搭建从旧知到新知的学习支架，帮助学生系统掌握建议表达的语法规则。 其亮点在于以真实情境任务（如海报设计建议、演讲比赛指导）培养语言运用能力，通过对比should与must的语气差异提升思维品质，设置自我评估环节促进学习能力发展。学生能在实践中掌握语法并应用于生活，教师可借助多样化活动高效开展教学。

Unit 6 Learning by doing Key question How can we make English learning meaningful and fun? 主题范畴：人与自我 主题群：生活与学习 子主题：积极的学习体验，恰当的学习方法与策略，勤学善思 By the end of this lesson, students will be able to: understand the usage of should and had better for giving advice and expressing what is right. give clear and appropriate suggestions using the target modal verbs in real-life situations. I can speak English well. You should try your best to solve problems. We must follow the school rules. I will make my dream come true. can, could 能够，可以 may, might 可以，可能 will, would 将会 shall 将会 must 必须 need 需要 should 应该 Warming-up What other modal verbs(情态动词) do you know? Read the dialogue and pay attention to the suggestions. Have you designed a poster before? Do you want to design a great poster? Watch the video and fill in the blanks. Danny: What I to be healthy? Sisi:You exercise. You stay on the sofa all day. Danny: I go and do sports right now? Sisi: Yes, you should. You try your best. do Should should We can use should to say what is best or right to do. should should shouldn't Let’s sum up the rules! We use should with the base form of a verb. 一、should的用法 1.should在肯定句中可用来讨论义务和职责或提出建议，意为“应该”。 2.should的否定式为should not= shouldn’t, 意为“不应该” Danny should exercise more. He should not stay on the sofa all day. 3. should用于疑问句，表示征求意见或请求指示。 — Should I go and do sports? — Yes, you should. / No, you shouldn’t. 1. 肯定句：___________________________ 2. 否定句：______________________________ 主语+should+动词原形+其他. 主语+should not+动词原形+其他. 3. 一般疑问句：___________________________ 肯定回答：_______________ 否定回答：_________________________ Should+主语+动词原形+其他? Yes, 主语+should. No, 主语+should not/shouldn't. 二、should的常用句式 Danny should exercise more. He should not stay on the sofa all day. — Should I go and do sports? — Yes, you should. / No, you shouldn’t. ② You really should / ought to give up drinking. must语气更强或更肯定，表示“必须”之意，常含有命令的性质；should和ought to的语气则相对缓和些。 should, ought to & must 你必须戒酒。(可能是医生口吻强调行为的必须性) ① You must give up drinking. 你真的应该戒酒。(可能是亲友口吻的劝告) 1. 你应该每天晚饭后散步半个小时。 You ______ ____ ____ a walk for half an hour after dinner every day. 2.白老师经常告诉我们过马路时应该小心。 Mr Bai often tells us that we ______ ___ careful when we cross the road. 3. 作为一个初学者，你不应该读这一本英文小说。 As a beginner, you _______ ______ such an English novel. 4. 我觉得温蒂应该在旅行前制定一个计划。 I think Wendy _______ ______ a plan before she travels. should go for should be shouldn’t read should make Practice 1： use should or shouldn’t. Watch the video and fill in the blanks. 1. You _________ drink more hot water. 2. You _________ have a good rest . 3. You ____________watch TV for too long. had better We can use had better to give strong advice in a particular situation. Let’s sum up the rules! • We use had better with the base form of a verb. • The negative form of had better is had better not. had better had better not You had better not leave your money on your desk. had better 的用法 Modal verb: had better 1. had better 用来表示竭力劝告，或告诉人们（包括自己） 该做什么事，意为“做……是好的；最好还是……”。 你过马路时最好小心一点。 You had better be careful when you cross the street. 你最好不要把钱放在桌子上。 2. 通常用“had better not”表示否定。 — Shall I wash my clothes right now? — You'd better. / You'd better not. — 我现在可以洗衣服吗? — 最好这样。/ 最好不要这样。 had better 用于回答时，通常用简略式。 ★ had better通常并不表示所提的建议比其他选择更好——这里没有比较的意思。 ★ had better用于谈论最近的将来，比should或ought to在时间上更为紧急。 如：There is only five minutes left. You had better hurry up. 1. You’d better to wait for me at the school gate. 2. You had not better go there. 3. He better finish the work now. 4. You hadn’t better spend too much time playing games. Practice 2: Correct the following sentences. 去掉to had not better 改为 had better not better 改为 had better hadn’t better 改为 had better not P90 1 Ms Chen is writing comments about her students. Help her complete the comments with should or should not and the verbs below. 1 should not read should pronounce should try should make should not be should do should think 发音 Let's do the exercises! Read about the situations first. Then complete the sentences with had better or had better not. (1) Today is Friday. Zhang Xin hasn't finished his poster yet. The deadline（截止日期） is next Monday. Zhang Xin's cousin: You_________________________(最好还是完成海报)this weekend. (2) Wang Yao has a high fever,and she looks very pale（苍白的）. Wang Yao's mother: You _______________________（最好还是待在家里）this morning. had better finish the poster had better not go to school / had better stay at home (3) Li Jie wants to have dinner at a restaurant this evening. The restaurant is always busy. Li Jie's friend: You ____________________（最好还是预定桌位）before you go. (4) The sky is getting dark. There's going to be a thunderstorm. Su Mei wants to go out for a walk. Su Mei's dad: You __________________________（最好别外出）. (5) Mr Chen was late for work again because of the heavy traffic. Mr Chen's boss: You ________________________________（最好还是早点出门）. had better book a table had better not go out now had better leave home early tomorrow Su Mei is interested in taking part in the speech competition during English Week. Can you give her some suggestions? Try to use should, should not, had better, had better not in your suggestions. You should start your speech with an interesting story. Dear Su Mei, Here are some suggestions for the English Week speech competition. First, you should (1)                                 . Second,you shouldn’t(2)                  . Third,you had better(3)                          . At last, you had better not(4)                                                         . So please remember these tips, and you will do a great job! choose a topic you are familiar with(熟悉的). just stand still like a robot practice in front of a mirror to check your body language speak too fast, or the audience may not understand you clearly. You ‌should‌ choose a topic you are familiar with(熟悉的). You ‌should‌ practise in front of a mirror or with a friend to build confidence. You ‌should‌ speak clearly and smile while presenting. You should not speak too fast, or the audience may have difficulty following your ideas. You‌ had better‌ start preparing early to avoid mistakes. You had better not speak too fast during the competition. 1. should意为“_____”，后面跟_________，否定式为__________，其缩略形式为_________，意为“不应该”。 2. had better 意为“______________________”。had better之后要用________。其缩略形式为________，通常用“had better not +动词原形”来表示否定。 应该 动词原形 should not shouldn't 做……是好的；最好还是 动词原形 'd better 1. It's cold outside. You ___________(had better / had better not) close the windows. 2. Daniel is so ill that he should ________(gone / go) and see the doctor as soon as possible. 3. — You'd better ___________(finish / be finishing) your homework before you hang out with your friends. — I see, Mum. 4. Sara shouldn't ___________(read / to read) her sister's letter without her permission. 一.从括号中选择适当的词或词组完成句子。 had better go finish read 1. 作为年轻人，我们在公交车上应该把座位让给老人。 As young people, we ________ ________ our seats to the old people on the bus. 2. 安迪不应该经常向他父母要钱。 Andy ________ often ______ his parents for money. 二.根据句意完成句子。 should give shouldn't ask 3. 布朗先生最好现在就出发，否则他开会会迟到的。 Mr Brown ________ ________ ________ now, or he'll be late for the meeting. 4. 杰克妈妈告诉他不应该熬夜。 Jack's mother told him that he ________ _______ up late. 5. 你最好不要一直盯着屏幕，那对你的眼睛不好。 You ________ ________ ________ ________ ________ the screen all the time. It's bad for your eyes. had better start shouldn't stay had better not look at 6. 他应该多读点英语书籍来丰富词汇量. He_______ _______more English books to enrich vocabulary. 7. 你最好还是把发音发清楚点当她讲英文的时候。 You_______ _______ _____ your words more clearly when you speak in English. 8. 她应该交更多朋友。她不应该这么害羞。 Wang Yao_______ _____ more friends. She_______ _______so shy. 9. 他应该更仔细地做作业。 Xiao Chen _______ _______ his homework more carefully(仔细地). should read had better pronounce should make shouldn’t be should check 6. 如果你想提高你的英语，你应该多练习英语口语。 ______________________________________________ ______________________________________________ 7. 你生气时最好不要做决定。 ______________________________________________ 8. 大家在公共场所不应该大声说话。 ______________________________________________ If you want to improve your English, you should practice your spoken English more. When you are angry, you had better not make a decision. People should not speak loudly in public places. 完型填空：【解析】本文主要讲述了作者学习英语的经历和感悟。 1. B 2. A 3. C 4. B 5. C 6. A 7. A 8. D 9. B 10. B 1. 句意：我不能轻易地记住新单词，而且害怕在课堂上说英语。 forget忘记；remember记住；understand理解；know知道。根据“I couldn’t…new words easily”可知，作者刚开始学习英语时记单词困难，故选B。 2. 句意：错误是学习过程的一部分。 process过程；result结果；reason原因；problem问题。根据“Mistakes are part of the learning…”可知，犯错是学习过程中的一部分，故选A。 3. 句意：她的话给了我很多勇气。 sadness悲伤；pressure压力；courage勇气；danger危险。根据“Don’t be afraid of making mistakes”和“Her words gave me a lot of…”可知，老师的话给了作者勇气，故选C。 4. 句意：我加入了学校的英语角，每周五下午和同学交谈。 played玩；talked交谈；fought打架；studied学习。根据“I joined the English corner”和“with my classmates”可知，作者在英语角和同学用英语交流，故选B。 5. 句意：写下我的想法帮助我提高了写作能力。 lose失去；change改变；improve提高；find发现。根据“Writing down my thoughts helped me…my writing skills”可知，写日记提高了写作能力，故选C。 6. 句意：这不仅让学习更有趣，还帮助我提高了听力。 listening听力；speaking口语；reading阅读；writing写作。根据“listened to English songs and watched English movies”可知，听英文歌和看英文电影有助于提高听力，故选A。 7. 句意：现在，我意识到如果你用心去做一件事，你一定会成功。 if如果；though虽然；unless除非；because因为。根据“you put your heart into something, you will surely succeed”可知，这是一个条件句，表示“如果”，故选A。 8. 句意：无论事情看起来多么困难，永远不要放弃。 often经常；always总是；usually通常；never从不。根据“no matter how hard something seems,…give up”可知，作者强调“永不放弃”，故选D。 9. 句意：继续努力，你会看到不同。 trouble麻烦；difference不同；noise噪音；mess混乱。根据“Keep trying, and you will see the…”可知，坚持努力会带来改变或不同，故选B。 10. 句意：我相信这将是一段艰难的旅程，但我已经准备好了。 boring无聊的；difficult困难的；relaxing放松的；easy容易的。根据“it will be a…journey, but I’m ready for it”可知，学习新语言是困难的，但作者已做好准备，故选B。 1. Can you use should and had better correctly? 2. Can you give useful suggestions using should and had better in real-life situations? $