even if &even though 意思基本相同，表示“即使”。而as though的意思和as if 相同，表示“仿佛”。所以前两者应该引导让步状语从句，而后面的引导虚拟语句。 e.g I love my mother,even if/though she strict to me. He glared at me,as if I have borrowed his money.
