特殊疑问词+ever怎么用？

特殊疑问词+ever是无论...
however, whenever, wherever,是疑问副词,引导让步状语从句.
whoever, whomever,whatever,是疑问代词,引导让步状语从句或名词性从句.
1.However hard he try, he can't succeed.
2.Whenever I see him, he always smiles to me.
3.Whereever you go, don't forget your hometown.
4.Whoever does wrong should be punished.
5.I will give the prize to whomever you recommand.
6.I will buy you whatever you want.