2021-2022学年高中英语人教版必修2教案：UNIT4 WILDLIFE PROTECTION GRAMMAR （系列五） WORD版含解析 (2).doc

1、Unit 4 Wildlife protectionPeriod 3 Grammar 教学设计教学目标： 1. To learn about the present progressive passive voice; 2. Use the present progressive passive voice freely. 教学重点： Master the form and usage of the Present Progressive Passive Voice. 教学难点： How to use the present progressive passive voice freely.

2、教学方法： The direct method; Task-based teaching; Cooperative learning; 教学用具： Whiteboard marker; Multi-media; 课时安排：2课时 教学过程: 第一课时 Step 1. Revision Fill in the blanks. 1. Every year over 29,000 antelopes _ (kill) in Tibet. are killed - 一般现在时被动语态 2. In the past, the elephants _ (kill) by farmers. were kil

3、led - 一般过去时被动语态 3. In the past twenty years, a large number of bamboo areas _ (set up) to help pandas grow. have been set up - 现在完成时被动语态 4. WWF hopes that more and more wild animals _ (protect) in the future. will be protected - 一般将来时被动语态 6. At present a new home _ (build) for pandas. is being built

4、 - 现在进行时被动语态 Step 2. Presentation (1) T: This class well learn the present progressive passive voice. Before the class, lets review the present progressive tense. Think: 1. 现在进行时的定义是什么？ 2. 现在进行时的结构是什么？ 3. 现在进行时的用法有哪些？ 现在进行时 1. 定义：表示正在发生的动作 2. 时间标志：now, look, listen, 3. 句型：am/is/are+动词ing Eg. 1.Liste

5、n!Someone is singing in the park. 2.Look! Students are reading in the reading-room. 3. He is running now. (2) Think：What is the structure of present progressive passive voice? Look at the following sentences, can you find out the answer of the question? 1. We are being killed for the wool beneath ou

6、r stomachs. 2. Our fur is being used to make sweaters for people like you. 3. I wonder what is being done to help you. 4. So good things are being done here to save local wildlife. 5. Do you know any other endangered wildlife in China that is being protected. Step 3. Grammar 现在进行时被动语态： 1. 定义：“某人/某事正

7、在被.” 2. 结构：am/is/are+being+动词过去分词 3. 用法： 表示说话时正在进行的被动动作.(now, at the moment) He is now being treated in China. 表示现阶段正在进行的被动动作，(说话时不一定在进行) Preparations are being made for the 2016 Olympic Games in Brazil. 表示一种习惯的被动行为(always, constantly ),带有赞扬、羡慕、讨厌等感情色彩。 I feel very surprised that the window of our c

8、lassroom is frequently being broken. 与某些情态动词连用表示对正在发生的动作进行推测 Jimmy may be being beaten by his father at the very moment. 4. Look at the following sentences, then summarize the different structures of present progressive passive voice. 1. He is now being treated in China. 2. The plan is not being car

9、ried out well. 3. Are these books being sent to Beijing? 4. What is being done on the life of pandas? Summary: 1.肯定式: 主语 + am/is /are+ being +过去分词+ 2.否定式: 主语 + am/is /are not+ being +过去分词+ 3.一般疑问式: Am/Is /Are+主语+ being 过去分词+ 4.特殊疑问式: 特殊疑问词+ am/is /are(+主语)+ being 过去分词+ Step 4 Exercise Fill in the bl

10、anks. 1.A party_ (将要举行)tonight. (hold) 2. Dont make any noise. Her mother _(正在体检)by a doctor. (examine) 3. Many new functions _(正在被加入)to cell phones nowadays. (add) 4.Cant you see your problem_(正在讨论) ？Have some patience, please. (discuss) 5. Look! The children _(正在被照 顾) by the teacher.（take care of）

11、 Answers: 1. is being held 2. is being examined 3. are being added 4. is being discussed 5. are being taken care of Step 5 Summary This class we learnt the present progressive passive voice. By grasping the grammar, we can enhance our ability of reading and expressing. Step 6 Homework Finish the exercise 1 in page 61.