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必修3《Grammar》最新PPT课件优质课下载
被动语态(Passive Voice)表示句子的主语是动作的承受者。
Learning aims
To learn the usages of Passive Voice
(学习被动语态的用法)
To learn to change Active voice to
Passive voice
（学习主动语态变被动语态）
To raise awareness of protecting the
environment
（提高保护环境的意识）
What happens to Doudou?
There is an island. The people there only have three things to do in their life: eating, resting and beating Doudou.
1. Doudou is always beaten by someone. (豆豆总是在被打。)
2. Doudou was beaten yesterday evening. (豆豆昨天又被打了。)
3. Tomorrow, Doudou will be beaten several times. (明天豆豆将 要面对N次暴打。)
4. Poor Doudou has been beaten for many years. (可怜的豆豆已经被这样打了很多年。)
Doudou is beaten by others
What happens to the environment?
Trees are cut
by humans every day.
Waste water was poured into rivers by the factory yesterday.
The air has been polluted by the cars for many years.
Let’s discuss!
Examples
Rules