笔记本光驱如何拆卸:I ought to fogot somthing with you

I ought to fogot somthing with you 讲讲ought to的用法 ought是什么意思啊？ought to呢？有什么用途？ 用should，ought to，have to填空 ought to与should有何区别？ You ought to wear warmer clothes. ought to 和 may 有什么区别 ought to和should有什么区别？ should 与ought to的区别十什么 Coffee ought to be drunk while it is hot