Never once has the old couple quarrelled with each other since they were married 40 years ago.

问题描述:

Never once has the old couple quarrelled with each other since they were married 40 years ago.
为什么助动词用has不用have,而且后面都是they啊,此时的couple应该表示两个人吧,

这里的主语是the old couple 用have 也是正确的哦·1) couple表示“夫妇”“夫妻”且用作主语时,谓语动词可用单数(视为整体,尤其是当有each,every,only one等修饰时)或复数(考虑其个体).如:The couple were ma...