Unit 2 Let's Celebrate! Using language 课件-2024-2025学年高一英语外研版（2019）必修第二册

Unit 2 Let’s celebrate! Using Language What is it ? Guess It may be... It can't be... It must be... It could be... What do the words in blue indicate: an order, request, ability or possibility? Look at the sentences from the reading passage and answer the questions. Activity 1 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. 命令 要求 能力 可能性 That is why Letters from Father Christmas could be the perfect book… That is why Letters from Father Christmas must be the perfect book… That is why Letters from Father Christmas might be the perfect book… Possibility: must > could > might 2 Will the meaning of sentence (a) change if we replace "could" with "must" or "might"? yes The children must have been very excited as they opened it. The children could have been very excited as they opened it. … they might not receive their presents if they were not good. … they could not receive their presents if they were not good. sure not so sure Possible to receive their presents Impossible to receive their presents 3. What happens if we change "must" and "might" in sentences (b )and (c) into"could"?Now look for more sentences with modals in the reading passage. Possibility: ______> _________ > ____________ must can/could may/might not > _____________ > _____________ can’t/couldn’t may/might Translation That is why Letters from Father Christmas could be the perfect book... The children must have been very excited as they opened it. 这就是为什么《圣诞老人的来信》可能是一本完美的书。 孩子们打开它的时候一定很兴奋。 情态动词 + do，表示对现在的推测 情态动词 + have done，表示对已发生情况的推测 情态动词 (modals) 没有_____、_____的变化 必须和____________构成谓语 用来表示______、_______、______ 人称 数 其他动词 态度 愿望 推测 Activity 2 Rewrite the underlined sentences in the conversation using can/could, may/might and must. (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. ages: a long time Activity 3 Look at the picture and make as many sentences as possible using can / could, may / might and must. Group work 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. 1. — Excuse me. Is this the right way to the Summer Palace? — Sorry, I am not sure. It _____ be. A. might B. will C. must D. can Choose the correct answer. Exercises 2. — Isn’t that Ann’s husband over there? — No, it _____ be him — I’m sure he doesn’t wear glasses. A. can’t B. must not C. won’t D. may not 3. You ____ be tired — you’ve only been working for an hour. A. must not B. won’t C. can’t D. may not 4. — Is John coming by train? — He should, but he _____ not. He likes driving his car. A. must B. can C. need D. may Lavf56.40.100 $$