He said,“time is running short.You had bett

问题描述:

He said,“time is running short.You had bett
He said,“time is running short.You had better leave now”中为什么要用had而不用have呢,
那跟引号没关系吗,它引号内的内容是在那个特定地点说的,

不好意思,昨天说错了,You 'd better也就是you had better 是固定词组,You’d better do sth