Learning about Language教学设计实例

人教版必修二unit 3 learning about language Teaching aims: 1. Get the students further understanding the important words , phrases and sentences. 2.Get the students to master the usage of grammar The Present Perfect passive voice.

Teaching steps; step 1 Guessing game One student gives the meaning of a word from this unit , the whole class guess what it is. And meanwhile another student writes the word on the blackboard. Step 2 Revision Translate the following Chinese into English. 1.

参加

2.

代表，象征

3.

承认做某事

4.

主管，看管

5.

陆续地，一个接一个地

6.

计算器

7.

逻辑思考

8.

技术革命

9人工智能

10. 从那时起

11. 随着时间的推移

12. 结果，因此

13. 在二十世纪六十年代早期

14. 给人类提供高质量生活

15. 有一些共同之处

16. 就自己而言

Step 3 Grammar ------The Present Perfect passive voice 现在完成时的肯定形式

have / has

been done 现在完成时的否定形式

have / has not been done His bike hasn’t been repaired.

一般疑问句形式

Have / Has+主语+been done…?

Has his bike been repaired? 特殊疑问句形式

特殊疑问词+have / has +主语+been done…?

When has his bike been repaired? 1. 现在完成时被动语态的用法：

1.用于不知道动作的执行者是谁时

His car has been stolen.

2.用于动作执行者是泛指或不言自明时

Not a book in the library has been taken away. 3.用于强调动作承受着时

My watch has been repaired. 4.用于动作的执行者不是人时

The house has been washed away by the storm.

2. 深化点拨

1.现在完成时被动语态和一般过去时被动语态的区别：

The bridge has been built. (强调和现在情况的联系,桥可以使用了) The bridge was built last year. (动作只涉及过去,和现在没有联系) 2. 非延续性动词如borrow, finish, begin, start, marry等构成的现在完成时不能和表示一段时间的时间状语连用. Eg. How long has this dictionary been borrowed? (F)

How long has this dictionary been kept? (T) 3.带有双宾语的句子变被动语态时，可以将一个变为主语，另一个(多为直接宾语)仍旧留在谓语后面.

The teacher has given me a chance to explain the misunderstanding.------

I have been given a chance to explain the misunderstanding

by the teacher. 4. 带有复合宾语的句子，变为被动语态时，宾语补足语相应变为主语补足语。要注意，主动语态中做宾补的不带to的不定式，在被动语态时必须带to. Step 4 Practice

Finish exercise 2 on page 21. Step 5 Homework Finish exercise 2 on page 57.