Unit 2 Let's celebrate Using language 情态动词 课件 -2023-2024学年高中英语外研版（2019） 必修第二册

Unit 2 Using language Modals (2) where is Mike? where is Mike now? No, I don’t find him in his bedroom. He might in his friend’s home. Mike’s family is enjoying their family dinner. He could be in his room. It’s 17:00. He must be in the school. Where is Mike most possibly? 1 2 3 表示对现在的推测：must>can>could>may>might>can’t 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. 情态动词+have done用法 Lucy: The ground is so wet today. Judy: Yes. It must have rained last night. must have done表示对过去事情的肯定推测，“一定做过某事”。 Translation: 今天地面好湿啊。 ——昨天晚上肯定下雨了。 情态动词+have done用法 Lucy: Where is Mike? Has he already gone to Beijing? Judy: He can’t have gone to Beijing, for I saw him this morning. Translation: Mike人呢？他已经去北京了吗？ ——他肯定没去北京，今早我还看见他了。 can’t have done表示对过去事情的否定推测，“不可能做过某事”, 用于否定句。 情态动词+have done用法 Lucy: What has happened to Mike? Judy: I don’t know. He may have got lost. Translation: Mike怎么了？ ——我不知道，他可能迷路了。 may have done表示对过去事情的推测，“可能已经”，用于肯定句，但可能性低于must have done。 情态动词+have done用法 Lucy: I can't find Mike. Where can he have gone? Judy: I have no idea. Translation: 我找不到Mike了，他能去哪儿呢？ ——我不知道。 can have done表示对过去行为的怀疑，“可能做过”，用于疑问句。 情态动词+have done用法 Lucy: Did you pass the exam? Judy: I could have pass the exam, but I was too careless. Translation: 你通过考试了吗？ ——我本来能通过考试了，但是我太粗心了。 could have done表示对过去事情的假设，“本来能够做某事（而没有做）”，用于虚拟语气。 假设： 实际： 我能通