When and where will the movie be shown?be后面

问题描述:

When and where will the movie be shown?be后面
When and where will the movie be shown?be后面为什么加过去分词?

被动语态必须用过去分词 亲be加过去分词表被动。。有这个语法的吗举个例子谢谢这是固定的亲Thatblue hat must be bought by somebody懂了不客气