请问“You'd better think it over carefullyover 什么词性

请问“You'd better think it over carefullyover 什么词性 英语翻译you'd better ( ) ( ) ( ). You'd better know You'd better know it 英语翻译You'd better not. 是you'd better not you'd better know your you’d better not come you'd better 等于什么? You'd better( )it today you’d better __________________________________ (下定决心). You'd better( )it today? I think you'd better YOU’D BETTER DO IT NOW请问这个‘D是 WOULD 还是 HAD you'd better.=you had better吗?为什么? 老师您好!请问You'd better stop smoking（改为同义句）因该怎么改?You'd better ______ ______smoking You'd better go there for____(you). you'd batter也能说成you better吗? The meat smell bad.you'd better throw it away 请问各位为,中文是什么?