whatever与whichever在用法上有什么区别？举例说明下

"whatever"作代词或形容词。

1."whatever"作代词，／no matter what ／"无论什么"、"无论如何"。

例如：

①Keep calm,whatever happens

②Whatever (No matter what) you may say, I will go.

2."whatever"作代词，／anything or everything that／"任何的事 物"、"每一……的事物"。

例如

①Do whatever you like.

②Whatever I have is at your service.

3.作代词"or whatever""或任何东西"、"诸如此类"

例如：He'd have difficulty in learning any language ——Greek, Chinese,or whatever.

4.作代词，"到底（究竟）什么"。

例如 Whatever can he mean by that？

5.作形容词，"任何的"、"无论什么的"、"任何种类、程度等的"。

例如Take whatever measures you consider best.

6.作形容词，在否定句中，置于名词之后，强调否定语气

例如①There can be no doubt whatever about it.

②I have no intention whatever of resigning.



"Whichever" 作代词或形容词

1."Whichever" 作代词，／anything or everything "无论哪些"、 "无 论哪个"。

例如

①Whichever (Anything that) you want is yours.

②Take two of the fou