Whether you believe it or not，it is true.

　　5)“no matter +疑問詞”或“疑問詞+后綴ever”

　　No matter what happened，he would not mind.

　　Whatever happened，he would not mind.

　　替換：no matter what = whatever

　　no matter who = whoever

　　no matter when = whenever

　　no matter where = wherever

　　no matter which = whichever

　　no matter how = however

　　注意：no matter 不能引導主語從句和賓語從句。

　　(錯)No matter what you say is of no use now.

　　(對)Whatever you say is of no use now.

　　你現在說什么也沒用了。(Whatever you say是主語從句)(錯)Prisoners have to eat no matter what they're given.

　　(對)Prisoners have to eat whatever they're given. 囚犯們只能給什么吃什么。