【一】being done没有上下文以下2种用法
【1】现在分词一般体“被动结构”
The problem being discussed is very important.正在被讨论的问题很重要。【作定语】
Being watched by many people, the girl felt very nervous.由于被很多人看着，这个女孩很紧张。【作状语】
【2】动名词一般体“被动结构”
Tom remembers being taken to the zoo.汤姆记得被带到动物园去过。【作动词的宾语】
Tom entered the room without being noticed.汤姆进入房间没有被人注意到。【作介词的宾语】
【二】to be done：不定式的一般体主动结构
The room needs to be cleaned. 这个房间需要打扫。【作宾语】
Tom want to be respected by others. 汤姆想要被别人尊重。【作宾语】
【三】to have done：不定式完成体主动结构
He seems to have seen the film. 他似乎看过这部电影。
Tom happens to have know it.汤姆碰巧知道了这件事情。
【四】having done ：没有上下文以下2种用法
【1】现在分词完成体“主动结构”
Having finished his work, he played the violin.
完成了他的工作后又去弹了一会儿钢琴。
【2】动名词完成体“主动结构”
She apologize for having broken her promise. 她因没有遵守诺言而道歉。
【五】to be doing不定式的进行体主动结构
Tom seems to be eating something.汤姆好像在吃什么。
【六】doing 没有上下文以下2种用法
【1】现在分词一般体“主动结构”
Studying hard, we will succeeded. 只要努力学习，我们就会成功。
I saw him sitting on the grass . 我看见他正坐在草地上。
【2】动名词一般体“主动结构”
Tom is afraid of speaking English in public.
汤姆害怕在公共场合说英语。
Jack went to school without having breakfast.
杰克没有吃早餐就去上学了。
