ought to 和 may 有什么区别

一个是应当做 一个是可能,强调可能性
ought 和may的具体用法如下:

ought

情态动词 aux. 应该；应当
should,must (showing that it is your duty to do something)
· As a Party member,you ought to give the lead.
作为党员，你应当带头。
· This work ought to be done at once.
这项工作应当马上就做。
· We ought to be hearing from them soon,then.
这么说，我们大概不久就可以接到他们的信了。
· You ought to have told me you were coming.
你该告诉我你要来才是。
· There ought to be something wrong with the bus.
这辆公共汽车一定出毛病了。
· You ought not to do it.
你不应该做这事。
· Ought he to start now?Yes ,he ought.
他现在该动身了吗？该动身了。?
· They ought to go now,oughtn't they?
他们现在该走了，对吗？

情态动词 aux. 该会；理应
words that show what you think will happen
· Bruce is the fastest runner,so he ought to win the race.
布鲁斯跑得最快，所以他该会赢得这场赛跑的。
· He said he ought to write an article about it.
他说他该为这写一篇文章。

may