you'd better.=you had better吗?为什么?

you'd better.=you had better吗?为什么? you would better you had better 都什么时候用,意思一样吗,you'd better do 急,You'd better not.,had you? you'd better是you would better还是you had better的缩写?两者什么区别? You had better 缩写. You'd better go.中 'd 是什么?had better是固定搭配,但是为什么是had呢.不是have,s you‘d better finish the work today这句的you’d是you had吧,那为什么用had You had better是祈使句吗 You'd better know you'd better do YOU'D better 英语翻译you'd better ( ) ( ) ( ).