might可以是may的过去式，但它本身也是一个情态动词，表示可能的意思，相对来说委婉一些，比如I might go to a concert tonight.我今晚可能去听一场音乐会。Don't go ─ I might need you.别走——我可能要你帮忙。

might的例句

1、Might I use your phone?

我可以用一下你的电话吗？

2、I thought we might go for a drive on Sunday

我想星期天我们可以开车去兜兜风。

3、Someone might find out, and that would never do.

也许有人会发现，那是绝对不行的。

4、Try his home number ─ he might just be there.

试试他家的号码——他也许在那儿。

may的例句

1、May I borrow it for a day or two?

这个我可以借用一两天吗？

2、Art may be used as a vehicle for propaganda.

艺术可以用作宣传的工具。

3、I have some information you may be able to use.

我有些可能对你有用的信息。

4、The last time I saw him was in May.

我上次见到他是在五月份。