大学英语四级语法精要：情态动词（一）

may/might表示允许和可能:

1. 允许: 询问或说明一件事可不可以做.

may i trouble you with a question?

you may take this seat if you like.

he asked if he might glance through my album.

you might as well speak your mind. (比may…显得婉转一些)


2. 可能: 表示一件事或许发生(或是某种情况可能会存在).

you may walk ten miles without seeing a house.

she was afraid they might not like the idea.

a bad thing might be turned to good account.

3. might 表示请求:

might i ask for a photograph of your baby? (比may i …更客气一些)