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江苏省常州市西夏墅中学高中英语 Unit3 Tomorrow's world Grammar and usage课件 牛津译林版必修4


Unit

3

Grammar and usage
The passive voice

Unit 3

课件描述:
本课件用于辅助牛津高中英语模块四 第三单元Grammar and usage教学。

The man _________(call) “ is called Good husband”.

is being treated The pet dog ________________(treat) by veterinary.

was caught A frog __________ ( catch) by a big bird just now.

am/is/are 一般现在时 am/is/are+being 现在进行时 have/has+been 现在完成时

+ done

shall/will+be 一般将来时

was/were 一般过去时 was/were+being 过去进行时 had+been 过去完成时

+ done

would+be 过去将来时

How can we change a sentence into the passive voice ? 1. Find out the object of the sentence and use it as the subject of the sentence with the passive voice. 2. Decide the tense of the sentence and use the related form of its passive. 3. If necessary, use “by” to join the former subject, which should be put into its object form.

When do we use the passive voice ?

Many houses will be built here. 1. 不知道或没必要指出动作的执行者。
The song “ The East is Red” was written by a poor peasant. 2. 强调动作的承受者。

The plan was supported by those who wished to have more chances to speak English. 3. 动作的执行者有较长的修饰语。 You are requested to attend the meeting.

4. 出于礼貌,不愿意说出动作的执行者。

Change the following sentences into the passive voice: 1. All of us like her. She is liked by all of us. 2. We are discussing the question. The question is being discussed. 3. We have put off the meeting.

The meeting has been put off.
4. I will develop my picture next week.

My picture will be developed next week.

Fill in the blanks with the right form of the words given:

was given 1. I ___________(give) a new book by my father on my birthday. 2. English ___________(find) very useful. is found

3. The work will ______________(finish) tomorrow. be finished being watered 4. The flowers are ______________(water) by them now.

5. The railway ________________ was being built (build) this time last year.

6. The new way _______ _________ has already been built (build). been built(build) by the 7. The new railwayhad ___________ end of last year.
8. He told me the sports meeting would be held ____________(hold) the next month. 9. Rice ___________(grow) in the south of the is grown States.

We can use modal verbs in the passive voice to talk about ability, possibility, duty, permission, etc.

Firefighters could be trained using RealCine.
Computers can calculate the position of the viewer at any time. The position of the viewer can be calculated at any time.

Practice : touch the objects in the film. 1. The viewer can
The objects in the film can be touched. 2. The viewer may feel a real sense of achievement and happiness. A real sense of achievement and happiness may be felt. 3. RealCine might not impress some viewers. Some viewers might not be impressed by RealCine.

4. Teachers could use RealCine in the classroom too. RealCine could be used in the classroom too. 5. Film-makers should use RealCine for all films. RealCine should be used for all films. 6. Scientists ought to develop RealCine further. RealCine ought to be developed further. 7. The viewer must wear special gloves. Special gloves must be worn.

Homework
1. Review what you have learned in this lesson.
2. Finish C1, C2 in Workbook on page 108.


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