Learning about Language设计意图

Teaching Design

learning about language

Book2 Unit3 Computers

learning about language

【Analysis of teaching material】

本节课对所学重点单词短语进行简要复习巩固，然后学习现在完成时的被动语态

【Analysis of the students】

本课的教学对象为高一年级的学生，学生的现有英语水平不高，基于此，调动学生的参与热情和积极性很重要。

【Teaching

aims】

1). Knowledge aims：

A. Help the students learn to use some useful words and expressions.

B. Enable the students to learn how to use the present perfect passive voice.

have/ has been done 2). Ability aims: A. To master the usage of some words and expressions. B. To develop the students’ abilities of using present perfect passive voice. 3). Emotional aims: Develop the students’ sense of group co-operation and teamwork. 【Teaching important points】

1). Enable the students to use key words and expressions. 2). Enable the students to use present perfect passive voice.

【Teaching difficult points】

How to use present perfect passive voice. 【Teaching methods】

Task-oriented and task-based teaching and learning 【Teaching aids】

A computer, a projector and a tape recorder.

【Teaching Procedures】

Step 1: lead-in:

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Teaching Design

learning about language

Let students have a word puzzle to review some information learned in reading passage. Step2: words and expressions 1._____complete change in ways of thinking ,working , etc.

2. _____connected computer system

3._____to make things easier

4______to find the answer using numbers

5._____can be moved easily from place to place

6.______to work out the answer to a problem

7.______to travel around an area to find out about it

8._____completely

9.______anyway

10.______activity of managing money

Translation: 随着时间的流逝, 电脑出现了，我们的生活被完全改变。根据我的看法，在电脑的帮助之下，我们能够处理很多信息。但是电脑有它的优点，也有它的缺点。

As time went by, computer arose. It has totally changed people’s life. In my opinion, with the help of computer, we can deal with a lot of information. But it also has some advantages as well as disadvantages. Step3：the passive voice Change the Active Voice into the Passive Voice: Group A 1. We have finished our homework. 2. Many visitors have visited the Great Wall. 3. Mike has seen two films since last month. 4. The Russian government has turned these palaces into museums. Group B 1. Our homework has been finished by us. 2. The Great Wall has been visited by many visitors. 2

Teaching Design

learning about language

3.Two films have been seen by Mike since last month. 4. These palaces have been turned into museums. A组强调动作的执行者,是主动语态, 结构:主谓宾,

相同点:两组都是完成时态, 结构: have/has+过去分词

B组的句子强调动作的承受者, 是被动语态. 相同点: 两组都是完成时态

结构: 助动词

have/has been +过去分词

1.被动语态介词固定搭配不能省略。

He has thought of a way of solving the problem. =A way of solving the problem has been thought of. 2. 语的动词give /send/bring/ take/teach/show/ tell/ make/ sing/ write/ sell/buy/ ask/ pay/ borrow/ lend/ hand/ offer/provide/ past/get/promise 变被动语态有两种方法：Eg.I have given him the book. He has been given the book. The book has been given to him. Step4：

Practice

Change the following sentences into the present perfect passive voice. Put the verbs into the correct form.

1. have bought a new personal computer. 2.We have found m.ny problems with our new computer. 3. They have built a PC the way we wanted. 4. We have used the computer every day since we bought it. 5. We have written a lot of e-mails on the computer in the past year. 谓语动词用主动表被动的四种情形

1. 某些连系动词主动表被动：look, sound, smell, taste, prove, feel 2. 当open, close, shut, lock, move等用做不及物动词且表示主语的某种属性时，通常用主动形式表示被动意义。他们通常与can’t, won’t等连用。

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Teaching Design

learning about language

3. 当read, write, wash, sell, clean, cook, burn, draw, cut, wear等词与well, easily, quickly 等副词连用时，常用主动表被动。

4. 某些表示开始和结束的动作（begin, start, finish, end, etc.），当主语是事物且不强调动作的执行者时，可用主动表被动。

Step5: Homework Finish exercises 1,2,3,4 on page 21. Finish using words and expressions and using structures in workbook on page 56-57. 4