① even if 与 even though同义，常用于强调让步概念，如： I’ll do it, even if it takes me all the afternoon. Even if you fail, you can try again. 注：if 有时也可以用于让步含义，但要注意条件if 与让步if 的区别，试比较： If he is poor, how can he buy the house? (条件) If he is poor, he is at least honest. (让步) (= even if) If John had been there, I would have seen him. (条件) If John was there, I didn’t see him. (让步) (= even if)

2．even if, even though和 if 引导的让步状语从句：