(2) 在whatever,whichever,whenever,whoever,wherever,however,no matter wh-word 等引导的让步状语从句中,从句虚拟语气结构为：
① may +动词原形(指现在或将来).如：
We will finish it on time no matter what / whatever may happen.不管发生什么事,我们都要按时完成.
We will find him wherever / no matter where he may be.无论他在哪里,我们都要找到他.
I will wait for him no matter how late he may come.不管他来的多么晚,我都会等他.