(might可以看作是may的过去式，这两个词除了时态不相同外，在表达意思的许多方面是相近的。当然may 和might又都有一些各自不同的独特用法。)

　　1)可能性

　　I may be busy from tomorrow on .从明天起我可能会忙起来。

　　You may catch sight of the sunrise from here when you get up before 5 in the morning .你在早晨五点钟以前起来，或许能从这儿看到日出。

　　I wondered if they might agree with the idea .我想知道他们是否会同意这种想法。

　　She thought it might be wise to try her luck here .

　　她认为在这儿碰碰运气也不错。

　　2)表示允许

　　May I come in ? 我可以进来吗?：

　　I'd like to have a smoke here if I may .

　　如果可以的话我想在这儿抽一支烟。

　　The librarian told her that she might return the book to the library in three days .

　　图书馆理员告诉她说，她可以在三天后还那本书。

　　At the press conference , a news reporter asked the chairman if she might trouble him with a question about Taiwan issue.

　　在记者招待会上，一位新闻记者问大会主席她是否能提一个有关台湾问题方面的问题。