Unit 2 Let's Celebrate! Using language 情态动词学案-2022-2023学年高中英语外研版（2019）必修第二册

Learning plan of Senior 1 No.U2-3 Book2 Class: Name: Topic：Unit 2 Let's celebrate! Type of lesson：Using Language Prepared by：Bobo Yuan Checked by：Candy Li Taught by： Time： Goals： 1.To master the basic usage of modal verbs 2.To understand “Black Friday” and broaden your knowledge. 3.To summarize the expressions of various celebrations during the festival,and learn to describe the festival. 4.To send and accept invitations politely. Step1. Fill in the blanks with appropriate words according to the text. 1.The letters were also beautifully-illustrated-each _______________(take) its true author, Tolkien, a long time to complete. 2. In another letter, Father Christmas complained about how he ____________ (stop) his helpers playing games with the toys instead of wrapping them up. 3. ... other characters at the North Pole, we ___________ (share) the true spirit of giving at Christmas time. 4. ... Tolkien ______________ (be) the real Father Christmas. Step2.Focus on 基本用法：情态动词表推测:情态动词must, can, could, may, might等都有表推测的用法，都可以对_____，______或_______的情况是否发生做出语气______不同的推测。 1.根据推测语气的强弱，选择情态动词。 ( ① 在肯定句中表推测: must语气最强， 表示 “ 肯定，一定 ” ；could, may, might语气依次减弱，表示 “ 可能， 也许 ” )(1) You must tell me all about your new friend. (2) He could be at home. He may be at home. ( ② 在否定句中表推测: can ’ t, couldn ’ t语气较强，表示 “ 不可能 ” ；may/might not语气较弱，表示 “ 可能不 ” ； ) He might be at home. (1) It can't snow in summer. (2) We might not go anywhere. ※mustn’t表示“禁止”，不用于否定推测。 ( ③ 在疑问句中表推测: 疑问句中用can/could（能 …… ？），could语气更加委婉不确定。 )You mustn't tell a lie to parents. (1) Could he have finished the task? (2) Can he be at home now? 2.情态动词表推测的三种时态。 ( ① “ 情态动词+be/be doing/动词原形 ” 表达对现在情况或此时此刻正在发生的事情的推测。 )(1) He can't be at home at