The Great wall is visited by many people.by many people是状语吗还是
问题描述：
The Great wall is visited by many people.by many people是状语吗还是
答
by many people在这个句子中是作方式状语了,因为是一个介词短语.表示:被,参观.
但是在主动语态中,却是如下
Many people visit the Great Wall.
此时,many people作了句子的主语.