Unit2 Let's Celebrate! Using language 课件-2025-2026学年高一英语外研版必修第二册

该高中英语课件核心聚焦情态动词推测用法，涵盖can/could、may/might、must等对现在、将来及过去情况的推测规则。课堂导入从阅读文本例句切入，通过分析可能性引出语法点，按推测时间构建知识支架，结合例句解析与规则总结，形成从语境理解到语法应用的学习脉络。 其亮点在于融合语言能力与文化意识培养，通过节日对话改写、购物场景描述等任务型活动提升语言运用能力，融入元宵节、感恩节等中外节日主题深化跨文化认知。采用听力练习、分层习题等多样化教学方法，助力思维品质发展，为教师提供系统语法资源与实践活动，帮助学生高效掌握情态动词并提升综合语言素养。

Unit 2 Let’s celebrate Using language Modals（2） can/could may/might must Look at the sentences from the reading passage and answer the questions. a That is why Letters from Father Christmas could be the perfect book… b The children must have been very excited as they opened it. c … they might not receive their presents if they were not good. What do the words in red indicate: an order, a request, ability or possibility? The words in red indicate possibility. v. 表明, 显示 n. 请求, 要求 a That is why Letters from Father Christmas could be the perfect book… b The children must have been very excited as they opened it. c … they might not receive their presents if they were not good. 情态动词must, can/could, may/might，should均可表示推测, 它们可以对过去、现在或将来的情况作出语气强弱不同的推测。 把握推测语气的特点，选择恰当的情态动词。 确定被推测时间，正确判断动词时态。 1. 对现在或将来的情况进行推测时，用“情态动词+ do”。 You must be Mr. Smith. I was told to expect you. Our team might win the race. 2. 对此时此刻正在进行的情况进行推测时，用“情态动词+ be +动词-ing形式”。 She may be waiting for you in the entrance hall at the moment. The police are stopping all cars. They must be looking for the escaped prisoner. 3. 对过去的情况进行推测时，用“情态动词+ have done”。 I didn’t see Alex. He might have gone home. I couldn’t have left my bag on the bus. They must have gotten lost or they’d be here by now. 8 must have done "过去一定做过某事" 。表示对过去肯定的猜测，是很有把握的推测 其否定形式为 can ' t / couldn ' t have done 。 It must have rained last night. The ground is wet. I must have seen you somewhere, but I can ' t recollect your name. The room is in a terrible mess; it can ' t have been cleaned. can/could have done 表示“可能、本来能够做什么 ”。是对过去本来能做而未做的事感到惋惜和遗憾 He could have passed the exam, but he was too careless. I could have joined the school trip, but I chose to prepare for the exam instead. You could have asked me for help if you didn't understand the math problem. 不可能。表示对过去发生的否定推测。 They can’t have gone out, because the light is on. He couldn't have broken the lab equipment; he wasn't even in school yesterday. He can't have passed the driving test. He just learned last week. can’t / couldn’t have done may/might have done 对过去情况的一种不太有把握的推测，表示“过去可能已经做了某事”； 其否定形式表示为“过去可能还可没有做某事” He may have had some training in Chinese Kungfu. She might have forgotten the homework. He looks confused. He might not have reviewed yesterday's lesson. I didn't get a reply. He may not have seen my message. should/ought to have done 意为"本应该……"，表示本应该做某事，而实际没有做，含有责备或遗憾的语气 They ought to have completed their work much earlier. should not have done/ought not to have done 意为"本不该做某事"，表示某种行为不该发生但却发生了。 You shouldn' t have left your son alone at home. 指没必要做某事,实际上却做了，表示"本不必做"。 You needn' t have woken me up ; I don ' t have to work today. 你根本不必叫醒我，今天我不用上班。 He needn't have worried so much about his presentation; the teacher only gave feedback, no grade. 他本来不必为他的演讲那么担心的；老师只给了反馈，没打分。 needn’t have done 1. The classroom is empty and clean. Everyone ______ gone home. A. must have B. can't have C. may have D. needn't have A 2. I can't find my keys anywhere. I ______ left them at the cafe yesterday. A. should have B. can't have C. could have D. needn't have C 3. He ______ finished the 10-page report in just one hour. It's impossible! A. must have B. can't have C. ought to have D. may have B 4. She didn't come to the party. She ______ been too tired after work. A. must have B. should have C. might have D. needn't have C 5. You ______ told me earlier about the meeting! Now I'm completely unprepared. A. could have B. must have C. should have D. can't have C 6. I ______ bought so much food for the picnic. Half of it was left over. A. must have B. can't have C. needn't have D. might have C (At a fancy dress party) Chris: I spent ages putting up all the balloons and flowers last night. Jean: I expect you are feeling tired now! Chris: Yes, I am. Look that guy is dressed as Batman. Is that Mike? Jean: It’s possibly him. Check out that girl over there. I’m sure that’s Lucy. Chris: No, I don’t think that’s Lucy. Lucy isn’t that tall. Jean: Look at those two guys dressed as chickens! Oh, they’re waving at us! Maybe they’re from our school. Chris: Let’s go and find out. You must be tired now! It may/might/could be him. That must be Lucy! that can’t be Lucy! They may/might/could be from our school. Rewrite the underlined sentences in the conversation using can/could, may/might and must. Look at the picture and make as many sentences as possible using can/could, may/might and must. Black Friday is one of the busiest shopping days of the year. Stores have big sales and open their doors very early. The man with a wallet in his hand might be a bit unwilling to pay. The woman in red must be very excited to buy so many things. The woman with glasses may be very tired to get up so early and carry so many bags. The cashier might be feeling uncomfortable as he is sweating a lot. Lantern Festival celebrations Underline the words and expressions about celebrations during the Lantern Festival in the speech bubbles and complete the mind map. hold a lantern fair parade have a reunion dinner a red envelope a scarf hold a lantern riddles competition let off fireworks a dress, chocolates… dumplings noodles ... banners flowers rice balls posters balloons flowers To celebrate..., we often drink /eat.., give... as gifts, decorate with... Describe a festival celebration using the words and expressions you have learnt. A festival invitation Invitation If you receive a written invitation for formal events, which of the following would be the appropriate reply? A. Making a phone call. B. Sending a text. C. Writing a letter. Which of the following behaviors is most likely to be inappropriate when you visit somebody? A. Arriving on time. B. Arriving half an hour earlier. C. Arriving twenty minutes late. 🎧 Listen to the conversation and complete the sentences with the correct ending. b c f 🎧 Listen again and complete the notes. Occasion: a 1_________________ party When: the fourth 2_________________ in 3_________________ Where: Tony’s 4_________________ What to eat: a 5_________________ with all the side dishes and homemade 6_________________ What to bring: some flowers or 7_________________ What to wear: 8_________________ Thanksgiving Thursday November apartment big turkey apple pie candies anything you like 1. 基础作业：整理本单元情态动词推测用法，举例说明。 2. 提升作业：英语记录一个节日。 Thank you for your listening Lavf58.29.100 Bilibili VXCode Swarm Transcoder v0.7.33 null 131061.305 $