You had better ask your father.中had better 是什么词性,什么成分

You had better ask your father.中had better 是什么词性,什么成分 You had better do sth中的had是什么词性? your,had,you,teacher,ask,better.连词成句 you had better ( ) your shoes ( ) you had better (do)your homework If you had trouble_______ your physics,you’d better ask Mr L You had better 缩写. You had better ask your boss about it and __there is no misu 单词“you had better"的缩写是什么 you had better的缩略形式是什么? 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 had better be careful.had better 的词性是情态动词,be careful词性是名