So happy was he that he forgot what to say.这个句子里有什么知识点?

问题描述:

So happy was he that he forgot what to say.这个句子里有什么知识点?

(1) 有短语 so ...that...太.以至于.引导结果状语从句
(2)该句为典型倒装句 So happy was he这个倒装是在什么情况下倒装?有什么要求?这个倒装是在强调