1 (used in questions to ask who sth belongs to) of whom? （用于疑问句，询问某物属于何人）谁的: Whose car is that? 那是谁的汽车？Whose is that car? 那辆汽车是谁的？Those are nice shoes -- I wonder whose they are. 那双鞋子很漂亮─不知道是谁的。

2 (used to say exactly which person or thing you mean, or to give extra information about a person or thing) of whom; of which （用于确切指明是何人或何物，或为某人或某物作补充说明）某人的，某事物的: That's the boy whose mother I met. 那个就是我见过他妈妈的男孩。My neighbours, whose house is up for sale, are splitting up. 我隔壁那对夫妻要分手了，他们的房子要卖出去。 ☞When using ‘whose’ to give extra information about a person or thing, you should separate that part of the sentence from the main clause with commas. 用whose为某人或某物作补充说明时，应以逗号将叙述部份与主句分开。