现在分词的被动                 being done

　　现在分词完成时的被动      having been done

　　现在分词的被动语态和完成时的被动语态，主要用于做状语和定语。注意下列每对句子中分词与从句的时态和语态

　　Having been kept indoor for the whole morning , the children became impatient.

　　=As they had been kept indoor for the whole morning the children became impatient.

　　孩子们在室内呆了一上午，开始坐不住了。

　　I heard the noise of furniture being moved upstairs.

　　=I heard the noise of furniture that was being moved upstairs.

　　我听到楼上正在搬家具的声音。

　　Who is the man being operated on?

　　= Who is the man that is being operated on?

　　正在被做手术的人是谁？（正在进行）

　　注：试比较下列句子的不同。

　　Who is the man to operate on a patient tomorrow?

　　= Who is the man that will operate on a patient tomorrow?

　　明天要给病人做手术的人是谁？（不定式表将来）

　　Who is the man to be operated on tomorrow?

　　=Who is the man that will be operated on tomorrow?

　　明天要被做手术的那个人是谁？（不定式的被动表示将来的被动）

　　Who is the man operated on yesterday?

　　=Who is the man that was operated on yesterday?

　　谁是昨天被做手术的人？           （过去分词表示完成被动）

　　Who is the man operating on a patient now?

　　=Who is the man that is operating on a patient now?

　　正在给病人做手术的人是谁？    （现在分词表示进行的主动）

　　Who is the man being operated on now?

　　=Who is the man that is being operated on now?

　　正在被做手术的人是谁？            （现在分词的被动表示进行的被动）