Learning about Languageppt课件教学实录

Module 2 unit 3 computers Learning about Language The Present Perfect Passive Voice 教学设计

Objectives 1.

To help students build their word power by means of word formation 2.

To help students understand and use the present perfect passive voice

Procedures : Step 1 lead in Present some pictures about different types of computers and ask students to identify them. Then use some sentences which involve the present perfect passive voice to lead in to the topic. e.g. 1.

A wrist-worn PC

has

been invented recently.

2.

A pen-like computer has

already

been

developed. 3.

The new campus of our school

has already been built . 4.

The houses

have been destroyed

by the storm.

Step 2 imitating

Making up sentences using present perfect passive voice:

T:

Can you make more sentences, using “have/has been done “

according to the pictures and some key words given?

1. 2. 3. 4.

5. look at the pictures and fill in the blanks. The amusement park

has been set up in our city..

The buildings, destroy, earthquake

replace

new bridge,

build, in our city

many trees , plant, along the road

Many high buildings

have been built

there. A big swimming pool

has also been built. Lots of beautiful flowers and trees have been planted

. A new bridge

has been completed

.

Step 3 discovering useful structures 1.

Do the underlined parts have something in common? 1).As the year have gone by, I

have been made smaller and smaller. 2). A wrist-worn PC has been invented recently.

3). Many new buildings

have been built in TianTai since 1990. 4). A new library has already been built in TianTai High school. 5).The houses have been destroyed by the storm. 6).Several soldiers have already been killed in the conflict. 2. analyse 1构成：

主动语态

被动语态

现在完成时

have/has done

have/has been done 1)

He has been sent to study the new technology in the company. 2)

The dirty clothes have not been washed. 3)

Have the windows been cleaned? 4)

How many shopping centers have been built in this city?

2. 只有及物动词才有被动语态，不及物动词（词组）没有被动语态, 如:happen, take place,

die, appear, disappear, fail, remain, lie, last, sit ,stand, break out, come true, belong to等．如：

What has happened to your brother?

3．但许多不及物动词加介词或副词构成的短语动词，相当于及物

动词，也可以有被动语态。但短语动词是一个不可分割的整体，变为被动语态时，不可丢掉构成短语的介词或副词。如：

eg 1) The child has been taken good care of by Grandma Wang all these years. 2) A notice has been put up on the wall.

Step 4 practice 1 . Change the following sentences into the Present Perfect Passive Voice. Example:

I have read this book many times.

This book has been read many times .

1). We have completed all the preparations for the task, and we’re ready to start. 2). This company has produced

new types of computers. 3) They have interviewed several teachers for the job. 4). George has sent some texts and pictures to his friend’s

cellphone.

5). They have developed some programmes for the human resource department of their company.

2.

Change the following sentences into the Present Perfect Passive Voice. Put the verbs into correct form.

Recently we have bought a new personal computer. We have used the computer every day since we bought it. We have just joined our computer to the Internet. However, we have found many problems with it. So we have decided to ask a professional man to fix it.

Soon he has fixed the computer. He has built a PC way we wanted . How excited we are! These days we have written a lot of E-mails on the computer. We have decided to write a report about the positive and the negative effects of using computers.

3.

Choose the best answers

1)---What’s

happening in the new area?

---New houses_______ recently over there.

A. are built

B. built

C. have built

D. have been built 2). This is a photo of the power station that______

in my hometown .

A. has set up

B. has been set up

C. was set up

D. is set up

3). There is a police car in front of

our neighbor’s house. What do you suppose _______?

A. did happen

B. has happened C. is happen

D. has been happened

5). Every

possible means

_______

to prevent the air pollution, but the sky is still not clear. A.

is used

B. are used

C. has been used

D. have been used 6). No permission

_______ for anyone to enter the Building. A.

has been given

B. has given

C.has to give

D. has been giving 7). The police found that the house

_______

and a lot of things _____. A.

has broken into; has been stolen B.

had

broken into; had been stolen C.

has been broken into; stolen D.

had been broken into; stolen

8). All the preparations for the project _______, And we’re ready to start.

A.

completed

B. had been completed

C. complete

D. have been completed 9). Great changes

________ in the city , and a lot of factories

________.

A.

have been taken place

; have been set up

B.

have taken place; have been set up C. have taken place; have set up D. were taken place; were set up 10).The book ________ under the bench for two days. A.

has put

B has been lying

C. has been put

D. has been laid

Step 5 Homework: 1.Finish Exercise 1 on P57. 2.Revise the passive voice.