•Whoever uprooted that tree ought to be ashamed of themselves.把树连根拔起的那个人应当感到羞耻。

•Could I speak to whoever is in charge of International Sales please?能找负责国际销售的人接电话吗？

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•Can whoever leaves last please lock up?最后走的人请锁门好吗？

•He says he bought the car from Frank, whoever Frank is (= I do not know who Frank is).他说自己是从弗兰克那里买的车，不知道这个弗兰克是谁。

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•Whoever told you that?到底是谁告诉你的？

•Whoever could that be phoning at this time?这个时候打电话来到底是谁呢？