請看NMET關于“—ever”用法的幾道單項選擇題：
①If we work with a strong will, we can overcome anydifficulty,______ great it is.
(’95NMET)
A.what B.how C.however D.whatever
答案：C。“however”，adv.意為“無論如何”、“不管怎樣”。
②It is generally considered unwise to give a child_____he or she wants.
(’97NMET)
A.however B.whatever C.whichever D.whenever
答案：B。“whatever”，pron.“無論什麽”、“任何東西”之意。
③_______, Mother will wait for him to have dinnertogether. (’97NMET)
A.However late is he B.However he is late
C.However is he late D.However late he is
答案：D。“however”，adv.表示“無論如何”、“不管怎樣”。
根據上述所出現關于“—ever”的構詞形式，我們把學過的這些詞歸為兩大類。
第一類：“however，whenever，wherever”，作連詞或者副詞。
第二類：“whatever，whichever，whoever”，作代詞或者形容詞。
下面具體地談一談它們各自的用法。
(一)“however”作連詞或副詞
1.作連詞，“不管用什麽方法”。
例如：He can go however he likes.
2.作副詞，“無論如何”、“不管怎樣”
例如：①However cold it is,he always goe ming.
②I"ll come however busy I am
3.作副詞，“究竟怎麽”(表示驚奇)。
例如：However did you find it?
4.作副詞，“不過”、“仍然”、“然而”
例如：He hasn"t arrived.He may however later.
(二)“whenever”作連詞或副詞
1.作連詞，“任何時候”。例如
①Whenever we see him we speak to him.
②Come whenever you like.
2.作連詞，“每當”、“每逢”“每次”
例如：Whenever that man says “To tell the truth”, I suspect that he"s about to tell a li e .
3.作副詞，“任何時間”“任何時候”
例如：①He might turn up on Monday , or Friday, or whenever, andexpect to be given a meal.
②Whether they arrive tonight ,tomorrow , or whenever, they"ll bewelcome.
4.作副詞，“到底什麽時候”。
例如：Whenever will he learn ?
(三)“wherever”作連詞或副詞
1.作連詞，“在任何地方”、“到任何地方”、“在任何情況下”。
例如：Sit wherever you like
2.作副詞，“在任何地方”。
例如：He comes from Boula, wherever that may be , from a place called Boula,and I have no
idea where it is.
3.作副詞，“到底什麽地方”。
例如：Wherever did she get that hat.
(四)“whatever”作代詞或形容詞。
1.“whatever”作代詞，/no matter what /“無論什麽”、“無論如何”。
例如：
①Keep calm,whatever happens
②Whatever (No matter what) you may say, I will go.
2.“whatever”作代詞，/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.作代詞“or whatever”“或任何東西”、“諸如此類”
例如：He"d have difficulty in learning any language ——Greek, Chinese,or whatever.
4.作代詞，“到底(究竟)什麽”。
例如 Whatever can he mean by that?
5.作形容詞，“任何的”、“無論什麽的”、“任何種類、程度等的”。
例如Take whatever measures you consider best.
6.作形容詞，在否定句中，置于名詞之後，強調否定語氣
例如①There can be no doubt whatever about it.
②I have no intention whatever of resigning.
(五)“Whichever” 作代詞或形容詞
1.“Whichever” 作代詞，/anything or everything “無論哪些”、 “無論哪個”。
例如 ①Whichever (Anything that) you want is yours.
②Take two of the four elective subjects, whichever you prefer.
2.作代詞,“……的那一個”。
例如①Take whichever you like best.
②Whichever of you comes in first will receive a prize.
3.作代詞，“究竟哪個(哪些)”。
例如 Whichever do you mean?
4. 作形容詞，“無論哪個”、“無論哪些”。
例如：He may choose whichever desk he wishes.
(六)“whoever”作代詞：
“whoever”作代詞，/any person who/the person who/“任何人”、“無論誰”、“……的人”。
例如①Whoever(Anyone who)said it,it"s not so.
②Whoever says that is wrong.
2.作代詞，“到底(究竟)是誰”。
例如 Whoever told you that?