The picture being hung on the wall is painted by my nephew.为什么要用hanging呢.我就想不通.到底做什么成分.

问题描述:

The picture being hung on the wall is painted by my nephew.为什么要用hanging呢.我就想不通.到底做什么成分.

你这道题打错了,应该是:The picture hanging on the wall is painted by my nephew.hanging 在这里是个不及物动词,表“悬挂”状态.译为:挂在墙上的那副画是我侄子画的.不强调被动.
又如:There were several expensive suits hanging in the wardrobe.衣柜里挂着几套昂贵的衣服.