(1)他(她，它)们(persons，animals or things last mentioned)(用作v的主语)：“Where are John and Mary?” “T～went for a walk.” “约翰和玛丽哪儿去了?”“他们去散步了。” Don't eat the cakes;～are for the visitors. 别吃蛋糕，那是给客人们的。

(2)(非正式场合代替he or she)(usu used to refer to someone，anyone，etc;used instead of he or she when the person's sex is unknown)：If anyone does that，～are to be severely punished. 如果有人要那样做，肯定会受到严厉的惩罚。

(3)人们(people in general)：Whatever～say，I'll do it. 不管人们说什么，我都要做这件事。T～say he is rich.据说他很富有。

【说明】they的物主代词为their，they的宾格为them。