most of the people (invited)to her birthday party were her old friends

问题描述:

most of the people (invited)to her birthday party were her old friends
用过去分词表被动 许多人 被 邀请来参加他的生日聚会都是她的老朋友 most of the people 这个people 代的是后面的 her old friends 还有一个 being invited 前面加being

people 代的是后面的 her old friends
be+动词过去分词构成被动语态,being是现在进行时,being invited 是被动语态的现在进行时;还有一种情况是过去分词作宾语,用 being invited ,相当于动名词