Learning about Language课堂实录【1】

Book 2 unit 3 教学设计

现在完成时的被动语态

Step 1 Leading-in

Observe the following sentence, paying attention to the underlined part.

EXAMPLE:Over time I have been changed quite a lot.

Can you pick out more than two sentences in the present perfect

passive voice from the reading passage? Step 2

概念(The concept)：

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)．

用法(The usages): 现在完成时的被动语态同他的主动语态一样，

强调过去的动作对现在造成的影响或后果already,yet, just, never, recently 等副词

(常放在have或has之后)连用。

The work has already been completed. 2. 表示一个被动的动作或状态开始于过去,持续到现在,并可能持续下去,常与for 或since引导的时间状语连用,或用于How long...?句型中。

My car has been repaired for two days. The house has been painted since the family moved out. 3. 用在条件状语从句中，表示将来某时已经完成的动作. We will start as soon as the work has been finished. Step 3 practice 1见教材

practice 2 Put the Chinese into English to complete the sentences. 1. You can see the house ___________

_______ (未油漆) for years.

2. How many workers _____________

(已派遣) to build the railway? 3. —

Why does Mary look so unhappy?

—

She __________________ (被嘲

笑) by her classmates.

4. It is said that the house ________

___________ (闯进了) by two

thieves. 5. The two pens _____________

__________ (未被拿走) by him.

6. Where ___ the television ______

________ (已经修理了) ?

7. The price of a color TV set ____

_________________ (降价了bring down)

again.

8. What __________________ (已被

译成) into many foreign languages? practice 3改错

1.

A personal computer has bought by us. 2.

Many problems has been found with our new computer. 3.

A PC has been builded the way we wanted. 4.

Our computer just has been joined to the Internet. 5.

The computer was used every day since we bought it. 6.

A lot of e-mails had written on the computer in the past 5 years. Practice 4 翻译

Step 4 summary。