文档介绍：An overview of participles
分词的复****br/>Outside looking in —Nick Lachey
Paper houses and fallen angels
Sometimes you cis often used to express a passive action.
A brief summary
分标题 三
"doing" is often used to show that actions happen at the same time.
having done
doing
同时
先后
Having practised many times, Li Jiawei finally ran as
swift as the wind.
Everybody was watching Lin Shupeng jumping over
the bar.
"having done" is often used to show that one action happens after anthor.
A brief summary
分标题 三
having done
先后+主动
having been done
先后+被动
Having practised many times, Li Jiawei finally ran as
swift as the wind.
Having been urged many times, the twins finally
agreed to take a photo.
The difference between "having done" and "having been done" lies in whether the action is active or passive.
Grammar in use
Task 2：
Suppose you are the editor of the class newspaper. Polish the following essay.
The revised version:
The school sports meeting held yesterday presented a marvelous opening ceremony. Then we sat in the base of our class, waiting patiently for the beginning of the race.
The annual school sports meeting was held yesterday. It presented a marvelous opening ceremony. After the opening ceremony, we sat in the base of our class. We waited patiently for the beginning of the race.
The revised version:
My friend Christine took part in the 800-meter race. Having received training many times, she kept calm before the race. After 400 meters, though looking tired, she still tried her best to run. We screamed and beat the drum when we saw her passed by.
Though she didn't win the medal, we were still proud of her.
My friend Christine took part in the 800-meter race. She had received training many times, so she kept calm before the race. After 400 meters, though she looked tired, she still tried her best to run. We screamed and beat the drum when we saw she was passed by.
Though she didn't win