whenever 无论何时when ever同义whenever每当 = any time = every time= each time whenever 无论何时,引导让步状语从句,这时候=no matter when比如：Whenever I saw the picture,I would think of my mother.每当我看到这张照片时,我会想起母亲.这里whenever= any time= every time= each timeYou can stay at my cottage in the country whenever you like.只要你愿意,无论什么时候都可以住在我乡下的小屋里.这里whenver = no matter when
