Learning about Language特级教师教学实录

Module 2 unit 3 computers Learning about language -

by Han Xiaowei From Xinle No.1 Middle School

Teaching aims

1.

To learn some words and expressions about computers

2.

To learn about the Present Perfect Passive Voice. Keys and difficult points Keys : 1. get familiar with the new words and expressions 2.

Learn about the grammar---Present Perfect Passive Voice Difficult point: to be able to use Present Perfect Passive Voice Teaching method：

task-based method and group activity Teaching tool: SB book Computer Teaching procedures: Step 1 The structure of the present perfect passive voice is:

have / has ＋

been＋done

Step 2现在完成时被动语态的各种形式

1.

肯定式

2.

否定式

3.

一般疑问句

4.

特殊疑问句

Step 3现在完成时的被动语态表达以下两个概念：

1. 说话时已经完成的动作或出现的结果。

2. 主语是行为动作的承受者。

Step 4 注意事项

1.

副词的位置

[误] Such a man has been hardly believed. [正] Such a man has hardly been believed. 2.

并不是所有动词都有被动语态

(1)happen, take place, break out, belong to, cost, last等不及物动词或词组无被动语态。

(2) open, break, drop等不强调动作发出者时常用主动语态。

3. 短语动词不可分割或省略其中的介词或副词

4. 一些特殊动词, 如borrow, finish, begin, buy, start, return, marry, open, join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，

则需改换动词或时态。

Step 5 主动语态变被动语态的方法

Step 6 exercises 1.

单选

E.g. 1. When and where to go for the on-salary holiday ___ yet.

A.

are not decided

B. have not been decided

C. is not being decided

D. has not been decided

2.

Turn the following into the Passive Voice E.g. 1. We have planted some trees around the lake.

Some trees have been planted around the lake.

3.

试分析

e.g.(1)［误］Many new buildings been built

since 1980.

［正］Many new buildings have been

built since 1980．

分析: 谓语部分结构不全, 时态部分不完整。

Step 7 summary Step 8 教学反思