she never laughed,nor did she ever lose her temper.这个句子里ever后面为什么不用lost而是lose?

问题描述:

she never laughed,nor did she ever lose her temper.这个句子里ever后面为什么不用lost而是lose?

因前面有助动词did ,所以后面用动词原形,这是一个倒装句