文档介绍：Unit 5
Passive Voice
Is it made of silver?
It was made in Thailand.
What is the model plane made of?
Where is tea produced in China?
How is it grown?
It is planted on the side of mountains.
They are picked by hand and then are sent for processing.
被动语态
结构: be + V-.
一般现在时的被动语态: am / are / is + 动词的过去分词
主动句与被动句之间的转换:
Many people speak English.
主语谓语动词主动语态宾语
English is spoken by many people.
主语谓语动词被动语态的过去分词介词+ 宾语
Complete the sentences with the correct forms of the verbs in brackets.
1. Children under 18 _____________ (not allowed) to watch this show without their parents.
2. We ________ (pay) by the boss on the last Friday of each month.
3. A: What language _________ (speak) in Germany?
B: Most people speak German, but many can speak English, too.
4. Most of the earth’s surface __________ (cover) by water.
5. The classroom ___________ (clean) by the students every day.
用所给动词的正确形式填空。
1) Sunglasses __________ (use) for protecting people’s eyes.
2) A picture _________ (put) up on the blackboard.
3) French ___________ (speak) in France.
4) Which language _______ the most widely _______ (speak) in the world?
5) The students _____ often _____ (tell) to take care of their desks and chairs.
6) Vegetables, eggs and fruits _________ (sell) in this shop.
主动句变为被动句所遵循的4个步骤:
1. 把原主动句中的宾语变为被动句的主语。
2. 把动词变为被动形式即be+过去分词,并注意其人称和数随主语的变化,而动词的时态则保持不变。
3. 原主动句的主语如需要则放在by后面以它的宾格形式出现(注代词的宾格),如不需要则可省略。
4. 其它的成分(定语、状语)不变。
Rewrite the sentences using the passive voice.(用被动语态重写句子)
1. The old man on TV tells a story on Sunday.
2. This shop uses the best materials to make dresses.
3. Careless driving causes many traffic accidents.
4. The postman brings letters and postcards to people’s homes.
5. Our family does not use this silver plate very often.
被动语态的几种句型
1. 肯定句主语+ be + 过去分词+ (by…)
A sweet song is sung by her on the stage.
2. 否定句主语+ be + not +过去分词+ (by…)
A sweet song isn’t sung by her on the stage.
3. 一般疑问句 Be + 主语+过去分词+ (by…)?
Is a sweet