Would you be so good as to forward my letters to me

问题描述:

Would you be so good as to forward my letters to me
这是句子里含有惯用型么,so ..as 是as...as句型么?如是的话,so应可换成as吗?这不是否定句为何要用so...as

这里只是so……as to do sth这个短语的用法,“如此……以致”,短语搭配,固定用法,和as……as 没关系的,别搞混淆了,