Learning about Language教案及板书设计

Unit 3 computers Learning about Language教案

(The Present Perfect Passive Voice)

Teaching aims: To learn to use The Present Perfect Passive Voice.

To discover useful words and expressions. Procedures

I. Check homework Check exercises 1and 2 on pages 20.

II. Learning about grammar---- The Present Perfect Passive Voice The structure of The Present Perfect Passive Voice is: have/ has ＋

been＋done III. Reading aloud and discovering 1.Now go back to page 18 to read aloud and discover in the text examples of The Present Perfect Passive Voice.

As the years have gone by, I have been made smaller and smaller. Since then, my family and I have been used by billions of people to deal with information with each other around the world by the Internet. 2.主动语态变被动语态的方法

(1) 把主动语态的宾语变为被动语态的主语。

(2) 把谓语变成被动结构

(be＋过去分词)

(根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定be的形式)。

(3) 把主动语态中的主语放在介词by之后作宾语, 将主格改为宾格。例如：

All the people laughed at him.

He was laughed at by all people.

They make the bikes in the factory.

The bikes are made by them in the factory. (4) 双宾语动词变被动语态可将其中的一个宾语变为主语，

另一个保留不动。

主动：I have given him the key. 被动：He has been given the key.

被动：The key has been given (to) him. (5) 带复合宾语的动词变被动语态时, 只能将宾语变为主语, 原来的宾补保留不动，

改称主语补足语。

主动：I have asked her to help you. 被动：She has been asked to help you. 3.现在完成时被动语态肯定句

主语+has/ have been +P.P.+...(P.P.=动词的过去分词形式) Her motorbike has been stolen. 她的摩托车被盗了。

All the offices have been linked by computer. 所有的售票处由计算机联网工作。

4.现在完成时被动语态否定句

主语+has/ have +not+ been+ P.P.+... The task has not been finished yet. 任务尚未完成。

Many skilled workers have not been trained in the company. 这家公司并没有培养多少熟练工人。

5.现在完成时被动语态一般疑问句

[句型1]Has he(she, it,单数名词)+been+P.P.+...? Has a new computer been bought? 买了一台新电脑吗? Have they been sent abroad to study Eng-lish? 他们已经被派往国外学英语了吗? IV.Practice 1.试分析下列句子：

1) [误] Many new buildings been built since 2000． [正] Many new buildings have been built since 2000．

[析] 谓语部分结构不全,时态部分不完整。 2)

[误] Something bad has been happened to him． [正] Something bad has happened to him.

[析] 被动语态误用。happen为不及物动词，不及物动词没有被动语态。 2.

改错: (1). A personal computer has bought by us.

A personal computer has been bought by us. (2). Many problems has been found with our new computer.

Many problems have been found with our new computer. (3). A PC has been builded the way we wanted.

A PC has been built the way we wanted. (4). Our computer just has been joined to the internet.

Our computer has just been joined to the internet. (5). The computer was used every day since we bought it.

The computer has been used every day since we bought it. (6). A lot of e-mails had written on the computer in the past 5 years.

A lot of e-mails have been written on the computer in the past 5 years. 3.Turn the following into the Passive Voice.

(1). We have planted some trees around the lake.

Some trees have been planted around the lake . (2). My father has locked the door.

The door has been locked. (3) . Someone has turned off the light.

The light has been turned off. (4). We will hold the Olympic Games in Beijing in the year 2008.

The Olympic Games will be held in Beijing in the year 2008. (5). They have rebuilt the bridge.

The bridge has been rebuilt. 4.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). _____ his views _____________ (受到批判) by them?

(6) . The two pens ______________________ (未被拿走) by him.

(7). Where ___ the television ____________ (已经修理了) ?

(8) . The price of a color TV set ___ _________________ (降价了) again.

(9). What __________________ (已被译成) into many foreign languages?

5.Finish exercise two on page 21 in five minutes and then check the answers by yourselves in groups of four. Answers: A new personal computer has been bought by my friend. My computer has been repaired by the shop very quickly. My computer has just been attacked by an unknown virus. The problem has not been solved by us yet. The computers have been given away to a local school by the company. A kind of intelligent robot has been developed by the scientists. IV. Enjoy the poem on page 21 and underline the use of the present perfect passive voice! V. Summary and homework.