请大家帮忙分析一个英语句子

问题描述:

请大家帮忙分析一个英语句子
So deep was his longing for the woman whose spirit had truly companioned and brought warmth to his own.这一句话倒装的用法

so(如此地,强调程度)开头的句子,后面常倒装.
另外原因,本句的主语his longing for the woman,woman后有很长的定语从句,----主语长,为避免头重脚轻,将表语提前,主语放句尾