1.wh- + ever 与no matter + wh- 的语义含义相同,即“无论…; 不管…”
2.no matter + wh- 的语法功能:no matter + wh-是连接词,但只能引导让步状语从句,从句置于主句前后均可.
3.wh- + ever 的语法功能:可引导主语从句、宾语从句或状语从句,从句要用陈述语序；引导状语从句要用一般时表将来.
例如：Whoever leaves the room ought to turn off the lights.(Whoever = Anyone who )
无论谁最后离开教室都应该把灯关掉.
4,whoever和whomever的区别
whoever和whomever相当于anyone who,用主格与宾格取决于其在从句中做主语还是做宾语.如：They always give the vacant seats to whoever comes first.（whoever在从句中做主语）