Learning about Language第一课时教学实录

Book 2 Unit 3 Grammar-The Present Perfect Passive Voice 现在完成时被动语态

Aim:

To learn and use the present perfect passive voice Teaching difficult and important points：

1.

The structure of the present perfect passive voice 2.

When to use it 3.

How to use it Teaching methods: Task-based teaching method Teaching steps: Step I Revision

Read the passage and underline the structures of the passive voice. We have an old musical instrument. It is called a clavichord. It was made in Germany in 1681. Our clavichord is kept in the living room. It has belonged to our family for a long time. The instrument was bought by my grandfather many years ago. Recently it was damaged by a visitor. She tried to play jazz on it! She struck the keys too hard and two of the strings were broken. My father was shocked. Now we are not allowed to touch it. It is being repaired by a friend of my father’s. 一般过去时被动语态：___________________________ 一般现在时被动语态：___________________________ 一般将来时被动语态：___________________________ Step II

Self-study

Observe the sentences and summarize the structure. 1. Over time I have been changed quite a lot. 2. Since the 1970s many new applications have been found for me. 3. I have also been put into robots and used to make mobile phones as well as help with medical operations. 4. The pen has been used only once. 5. So even the olive wreath has been replaced!

6. The work hasn’t

been finished so far. 7. Has your car been repaired? 8. Why haven’t the papers been signed? 现在完成时的被动语态

定义：现在完成时的被动语态表示动作发生在过去, 同它的主动语态一样，强调过去的动作对现在造成的影响或结果，但主语为动作的承受者，表示“……已经被……”。

结构：

现在完成时被动语态的肯定式为：

________________________________ 现在完成时被动语态的否定式为：

________________________________

1

现在完成时被动语态的一般疑问句：

________________________________ 现在完成时被动语态的特殊疑问句为：________________________________ 注意：

1.副词的位置

often, usually, always, never, hardly, seldom等副词置于have / has和been中间。

Such a man has hardly been believed. 2.

并不是所有动词都有被动语态

happen, take place, break out, belong to, cost, last等不及物动词或词组无被语态。如：Great changes have taken place in China since 1978. 3.

短语动词不可分割也不可省略其中的介词或副词。

The patients have been taken good care of. Step III. Practice I: Fill in the blanks according to the given information.

1.

Despite the previous rounds of talks, no agreement______________(reach) so far by the two sides. 2.

Shakespeare’s play Hamlet ____________(make) into at least ten different films over the past years. 3. In the last few years thousands of films _____________________ (produce) all over the world.

4.The house ____________________ (not paint) for years. 5.How many workers _________________ (send) to build the railway by now? II. Change the following sentences into the present perfect passive voice. 1.

My friend has bought a new personal computer. 2.

The shop has repaired my computer very quickly. 3.

An unknown virus has just attacked my computer. 4.

We have not solved the problem yet. 5.

The company has given its computers away to a local school. 6.

The scientists have developed a kind of intelligent robot. III. Correct the mistakes

1. A personal computer has bought by us. 2. Many problems has been found with our new computer. 3. The computer had been used every day since we bought it. 4. A lot of e-mails have written on the computer in the past 5 years. 5.A PC has been builded the way we wanted. Step IV Homework 1.

Review the structure of the present perfect passive voice and usage of it. 2.

Finish the grammar exercises in Learning English.

2