关于whatever,whichever的用法区别

关于whatever,whichever的用法区别 whatever 和 whichever的区别 关于whichever的用法 whichever和whatever作定语的区别 whatever与whichever区别 关于whatever和whichever是杂个区别的也?详细点哈``` whatever,whoever,whichever,whenever,wherever however的用法,要全! whatever和whichever的具体用法谢谢了, whenever,wherever,whatever,whichever,whoever,however的用法 whatever和whichever的取舍 whichever的用法 请说一下whatever whenever however whichever的用法及意思.