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.