A couple of 的用法a couple of 后面是跟可数名词

a couple of+n(c).作主语时谓语动词通常用单数 

它有两个含义 

1.两个 

e.g.There is a couple of boys waiting for you. 

2.一些,几个 

e.g.I don't know why I feel so tired, I only had a couple of drinks.,6,a couple of 后面是跟可数名词复数形式表“一对,两,一双”.作主语时，谓语动词是用单数 

虽说它的实意是“一对”，但也可以表示一些， 

eg. He must have a rest for a couple of weeks. 

他必须休息几个星期,5,a couple of 后面是跟可数名词复数形式表“一对,两,一双”.作主语时，谓语动词是用单数,1,A couple of 的用法 

a couple of 后面是跟可数名词还是不可数名词.作主语时,谓语动词是用单数还是复数?