Learning about Language教案教学设计

Unit 3 Computers

The Second Period Language study 1.Teaching goals 教学目标

Discover useful words and expressions Review the Present Perfect Tense Study the Present Perfect Passive Voice 2. Ability goals 能力目标

Enable students to learn the meanings and use of some key words in the reading passage. Enable students to learn the form and function of present perfect passive voice.

3. Learning ability goals 学能目标

By writing a poem using present perfect passive voice, enable students to use the structure freely and creatively.

Teaching important and difficult points 教学重难点

How to change the sentences into the present perfect passive voice.

Teaching methods 教学方法

Personalization, Induction and imitation.

Teaching aids 教具准备

Projector and tape recorder. Teaching procedures & ways 教学过程与方式

Step I Revision Check the homework. Ask two students to read the passage they have written. Their passage should be brief and include the key information or facts about the development of computers.

Step I Discovering useful words and expressions T: Look at activity 1. These are the meanings of some words or expressions in the text we learned yesterday. Find out these words or expressions.

Check the answers.

Step II Revising The Present Perfect Tense

现在完成时

S +have/has + done 1.动作发生在过去,并持续到现在

2.过去的动作对现在的影响或结果

经常用于现在完成时的时间状语: already, yet, so far, up to now, since then, recently 等. Step III Studying The Present Perfect Passive Voice

Elicit the structure: S + have/has + been + V-ed 1.不知道或没有必要说明动作的执行者。

2.强调动作的承受者，而不是执行者。

T: Why is the passive voice used here? When do we usually use passive voice? Ss: …

T: The passive voice is used when the subject of a sentence is the person or thing affected by the action of the sentence. We particular use the passive voice when don’t know or aren’t bothered exactly who has done something. Now look at activity 2. Change the sentences into the present perfect passive voice. Pay attention to the use of has/have.

Presentation

1. A. We have cleaned the room. B. The room has been cleaned by us

2. A. We have planted trees. B. Trees have been planted. Conclusion 现在完成时的主动语态

S +have/has + done + O 现在完成时的被动语态

S +have/has +been + done 被动语态的S就是主动语态的宾语O

Practice Activity1

Change the following sentences into active or passive voice. 1.

John has fixed the door.

2.

A book has been bought by me.

3.

They have been asked to help each other by their teachers.

4.

We have visited the city twice.

5.

They have done nothing to make the river clean again.

6.

We have found many problems with our new computer.

Activity2

1.2018 FIFA World Cup_______ (hold) in Russia. The World Cup ________(hold) many times.

2. Dying to survive has been directed by Xu Zheng 。3.He Jiang ____ to be one of the most promising scientists in the world.

A. considered

B. has considered

C. is considering

D. has been considered

4. Great changes have been taken place in our city in the past ten years.

5.最近六中的多名学生被大学录取了。我们也将一样。

Many students in No.6 Middle School have been admitted to the universities

recently. So will we.

Activy3

Writing : My new room

Please write a short composition about your new room by using the Present Perfect Passive Voice as much as possible. Some useful expressions: The room has been painted by…

The floor has been swept…

The curtains have been washed …

Step IV Homework Try your best to use more sentences of the passive voice in your daily life