Learning about Language教案（名师）

Uint3 computers learning about language

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Unit 3 Computers Learning about Language教学设计

Learning aims 1. Master the structure of the present perfect passive voice. 2. Learn the usages of the present perfect passive voice and try to use them freely. 1.Leading-in Observe the following sentences, and find something in common. (1) As years have gone by, I have been made smaller and smaller. (2) A wrist-worn PC has been invented recently. (3) The sports meeting has already been held in our school.

2.The Present Perfect Passive Voice Ⅰ.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。

【注意】

1. 过去分词前有两个助动词have/has和been。

2. 必须表示被动。

I ____________(tell) about it many times．

The bridge ________________(build)．

Ⅱ.句型：

1. 现在完成时被动语态肯定句句型：

Her motorbike ______________(steal).

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Uint3 computers learning about language

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2. 现在完成时被动语态否定句句型：

The task _____________________(finish) yet.

Many workers_____________________（train) in the company. 3.即学即练：Making up sentences using present perfect passive voice:（by giving some words）

e.g.The buildings, destroy, earthquake

machine, repair…

Exercise: Ⅰ. 用所给词的适当形式填空

1. The land to the north of the Mississippi__________. (already, explore) 2. When and where to build a new hospital__________(decide)yet.

3. __________the photo__________(develop)yet? If not, you’d better get it ready as soon as possible.

4. Professor James will give us a lecture, but when and where__________(decide).

5. The students__________(tell)to look after their desks and chairs.

6. Every possible means__________(try)by the company to bring down the wholesale price of its products.

7. Three fourths of the project__________(complete)until today.

Ⅱ. 用主动语态或被动语态改写句子

1. The storm has caused millions of pounds’ worth of damage.

→__________________________________________________________ 2. They have asked him some difficult questions.

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Uint3 computers learning about language

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3. Tom has given me two tickets for the new play. Would you like to go with me?

→___________________Would you like to go with me?

4. Widespread attention has been attracted by the standard of the nation’s literature

and art.

→__________________________________________________________ 5. A new library has been built by us in our school this year.

→__________________________________________________________ Ⅲ. 完成句子

1. In the Name of People is one of the best TV dramas that_____ _____ _____ this year.

《人民的名义》是今年被播放的最好的电视剧之一。

2. In the last few years thousands of films_____ _____ _____ all over the world.

过去几年全世界已拍摄了上千部电影。

3. It is the third time so far that such a festival_____ _____ _____ in my hometown.

迄今为止这是第三次在我的家乡举行这样一个节日。

4. Great changes_____ _____ _____ in my hometown and a lot of factories _____ _____ _____ _____.

我的家乡发生了很大变化并建起了许多工厂。

5. The construction of the two new railway lines_____ _____ _____ by now.

迄今为止, 这两条新铁路的建设已完成。

Ⅳ. 语法填空

阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。

Drugs in Britain 1. ___________(use)by more and more people in the last five - 3 -

Uint3 computers learning about language

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years.

Use of hard drugs, for example, cocaine and crack cocaine,

2. ___________(increase)as a result of these drugs 3. ___________(become)cheaper and easier to buy.

Many people in Britain are more likely than other Europeans

4. ___________(take)illegal drugs.

UK 5. ___________(teenager)are taking up to five times 6. ___________(many)drugs, for example, ecstasy tablets and cannabis, than in other European countries.

7. ___________most common drug for UK teenagers is cannabis.

Over 35% of 15 to 16-year-olds say they have tried 8. ___________.

Harder drugs such as crack cocaine are less common.

As many as one in twelve 12-year-olds have taken drugs.

British law puts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A drugs to the least addictive Class C drugs.

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