Unit2 Improving yourself Using language 课件-2023-2024学年高中英语外研版（2019）选择性必修第二册

Unit 2 Improving yourself Using language 新标准《英语》高中选择性必修第二册 Past perfect passive Activity 1 过去完成时的被动语态 1.构成: 过去完成时的被动语态由“had +been+过去分词”构成,表示在过去某一时刻或某一动作之前发生的动作或状态,句中常用by, before, until, when等词引导时间状语。 Five new buildings had been built by the end of last year.到去年年底已经建了五栋新楼。 过去完成时的被动语态 2.形式: 过去完成时的被动语态有以下三种形式: (1)肯定结构:主语+ had been done +其他成分 (2)否定结构:主语+ had not been done +其他成分 (3)疑问结构:Had +主语+ been done +其他成分;疑问词+ had +主语+ been done +其他成分 Activity 1 1 The students were persuaded before the detox started. 2 They differ in voice. The passive voice is used in sentence (a), while the active voice is used in sentence (b). 3 Maybe the author doesn’t know who had persuaded students to stop using social media, or it is unnecessary to say who the persuaders were. Now look for more sentences with the past perfect passive in the reading passage, and summarise its use in your own words. Activity 2 had been met doing had been cleaned had been put had been left avoiding to make Activity 3 Jack started the habit of cleaning his room last week. This is what his room looked like yesterday morning. (The floor was clean. The sheet was laid flat on the bed. All the books and clothes were placed neatly and tidily. The pictures on the wall were straight.) But two weeks ago, Jack’s room had been an awful mess. His clothes had been thrown everywhere; the pictures had not been hung straight; and all the drawers had been opened. It had been a very disorderly sort of room, with books and papers lying around everywhere. Activity 4 Work in pairs. Talk about what had happened before you started a new habit of your own. Use the past perfect passive where appropriate. Improving behaviour Activity 5 1. a 2. b 3. e 4. f 5. c 6. d Complete the conversations with the correct form of the words and expressions in Activity 5. 1 talk loudly in public 2 (from) spitting in public 3 littering 4 walking on the grass 5 smoking 6 taking photos Activity 6 Now work in pairs. Think