最牛英语口语培训模式：躺在家里练口语，全程外教一对一，三个月畅谈无阻！
洛基英语，免费体验全部在线一对一课程：https://www.doczj.com/doc/c518757715.html,/wenkxd.htm（报名网址）
2.现在分词的被动语态(being +过去分词)通常表示“正在被…”的意思。如强调现在分词表示的动作发生在谓语动词所表示的动作之前时，可用现在分词被动语态的完成式(having + been +过去分词)。
例如:
The bridge being built will be completed next month.正在修建的那座桥将于下
月完成。
Having been kept out of the room about half an hour for his returning late，Tom was let in.汤姆回来晚了，所以被关在门外半小时左右才让他进去。
Now let’s do some exercises:
1、用现在分词或过去分词结构改写下列句子:
Examples;
A student is reading a book over there. He is our monitor.
---The student reading a book over there is our monitor.
I saw him. He was running for the bus.
---I saw him running for the bus.
He sat there. He was watching the men at work
---He sat there watching the men at work.
Tom felt tired. He went to bed at once.
---Feeling tired, Tom went to bed at once.
I had worked for a long time, so I felt very tired.
---Having worked for a long time, I felt very tired.
The plan is about middle school education. It is being discussed.
---The plan being discussed is about middle school education.
1)The teacher is taking a walk on the playground. He is our teacher of English.
-----The teacher taking a walk on the play ground is our teacher of English.
2)The birds filled the air with music. They were singing in the trees.
-----The birds singing in the trees filled the air with music.
3) Here is a novel. It was written b Lu Xun.
-----Here is a novel written by Lu Xun.
4) The language is English. It is spoken in Australia.
-----The language spoken in Australia Is English.
5) Do you know the number of students? They are coming to the English
Evening.
-----Do you know the number of students coming to the English Evening?
6) I could hear the boys. They were playing in the field.
-----I could hear the boys playing in the field.
7) He was glad to find the fire. It was burning brightly.
-----He was glad to find the fire burning brightly.
8) I watched them. They were dancing.
-----I watched them dancing.
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