Unit 2 Wildlife Protection Discovering Useful Structures 课件-2023-2024学年高一英语人教版（2019）必修第二册

人教必修二 Unit 2 Discovering Useful Structures Report an ongoing event 教学目 Lead-in 视频：Present continuous tense 1 2 To know the structure and usage of present continuous passive voice To use present continuous passive voice to talk about wildlife protection 学习目标 目标一：To know the structure and usage of present continuous passive voice Activity 1: Underline the present continuous passive voice in the sentences and discuss its function. 1. African elephants are being hunted. 2. What is being done to help them? 3. What measures are being taken to help them? Activity 2: Find more sentences with the same verb form in this unit, and work out the structure of present continuous passive voice. 1. They are being hunted illegally for their valuable fur. 2. Much is being done to protect wildlife, but if we really want to save the planet , we must change our way of life. 3. These large animals are being killed illegally for their body parts that are considered valuable. 4. Billions of trees are being cut down every year to make paper for humans. am/is/are being done 肯定句 be(am/is/are) + being done 否定句 be(am/is/are) + not + being done 一般疑问句 be(am/is/are) + 主语+being done 特殊疑问句 特殊疑问词+be(am/is/are) +主语+ being done More about sentence structure with present continuous passive voice Activity 3: Look at the sentences below, and discuss the usage of present continuous passive voice. 1.As far as I know, he is now being treated in China. 2.Many experiments are being carried out these days. 3.The little boy has made rapid progress recently and is always being praised by the teachers. 1.表示说话时正在进行的被动动作，句中常用now, at the moment等时间状语。 2.表示现阶段正在进行的被动动作，但说话瞬间未必正在进行。 3.表示一种经常性的被动行为，常与always，constantly，frequently等副词连用，往往带有夸奖、羡慕、埋怨、讨厌等感情色彩。 Activity 4: Choose the suitable verb forms to complete the sentences. I’m (working/being worked) at home today because my office is (painted/being painted). The alarming report is (written/being written). It will be finished soon. Wha