Unit 2 Let's Celebrate —Modals（2）教案-2023-2024学年高中英语外研版（2019）必修第二册

Unit 2 Let's Celebrate —Modals（2）教案 高中英语外研版（2019）必修第二册 课程基本信息 学科 英语 年级 高一 学期 秋季 课题 Unit 2 Let’s Celebrate—Modals（2） 教学目标 At the end of this class, students will be able to 1. understand the modals (could, might and must) in context to indicate possibility; 2. understand the differences between might / could and must in affirmative sentences in indicating possibility; 3. understand the difference between might not and could not in indicating possibility; 4. utilize the modals (could, might and must) in context to indicate possibility by inferences. 教学内容 教学重点： 1. summarize that the modals (could, might and must) indicate possibility; 2. understand the differences between might not and could not in indicating possibility. 教学难点： 1. understand the differences between might not and could not in indicating possibility. 2. utilize the modals (could, might and must) in context to indicate possibility by inferences. 教学过程 步骤 教学活动 设计意图 Step 1 Guess T presents pictures about parts of a gift from Father Christmas and asks Ss to guess. T: Father Christmas sent us a gift, and let’s guess: what’s the gift? T: Yes, the gift is a cat. Conversations Pictures T: Can it be a doll? S: No, it can't be a doll. It has brown hair, so it could be an animal. (a） T: Can it be a dog? S: I'm not sure. It might not be a dog. It could be a cat as the animal's legs are so small. (b) T: Can it be a cat? S: Yes, it must be a cat. Because I can see a cat's whiskers and I heard its meow. （c） 教师根据本单元“节日庆祝”主题，自制动画，简化语言学习内容，创设语法学习情境，让学生在主题语境下感知could、might、must的用法。 Step 2 Summarize T presents three questions from the textbook (p17), and asks Ss to think about them. 引导学生在语境中归纳情态动词表可能性的用法，并感知could、might、must的用法的差异，以及通过设问、对比，在情景中理解could 和might 在否定句中（could not 和 might not 的区别） 1. What do the words could, might, must indicate? A. an order B. a request C. ability D. possibility 2. Will the meaning of sentence (a) change if we replace “could” with “must”