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外研2003课标版《Grammar》优质课PPT课件下载
He is said to be a good teacher.
You’ll be contacted.
Star War is acted by Harrison Ford.
不知道动作的执行者
不必提出动作的执行者
强调动作的承受者
习惯用法
不确定动作的执行者
行文的需要
Translate and change the sentences into the passive voice.
1.我们每天打扫教室。
We?clean?the?classroom every day.
The classroom is cleaned by us every day.
2.我们昨晚打扫了教室。
We cleaned the classroom last night.
The classroom was cleaned by us last night.
3.我们明天将打扫教室。
We will clean the classroom tomorrow.
The classroom will be cleaned by us tomorrow.
4.我们正在打扫教室。
We are cleaning the classroom.
The classroom is being cleaned by us.
5.昨晚这个时候我们正在打扫教室。
We were cleaning the classroom at this moment last night.
The classroom was being cleaned by us at this moment last night.