如果 father and son是指两个人,作主语时谓语动词应用复数。例句如:
Father and mother are absolutely different. 父母截然不同。
Father and son have a great rapport. 父子情深。
Father and son are two of a kind; they're both very generous. 父亲和儿子是同一类性格的人,他们俩都非常大方。
Father and son talk on the phone about twice a month and never run out of things to say. 父子俩一个月大概要通上两次电话,总有说不完的事。
网友问,能否把 father and son 看作一个整体概念,连用单数动词——我的理解是,理论上可以,但我一时没想到(也没有找到)合适的例子。引用 Otto Jespersen 的 Essentials of English Grammar 中的一个相关例子(father and mother),供参考: