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)