not having been told when the meeting to begin ,he came late什么语法啊
问题描述：
not having been told when the meeting to begin ,he came late什么语法啊
答
没有被告知在会议开始之前，他来晚
答
独立主格
也可以叫省略
原句是（For that he haven't)/(For he having not) been told when the meeting to begin ,he came late