精选优质文档-倾情为你奉上情态动词（讲义）一、can, could, may, might 表示请求许可1. 区别Can I take the book away? Could I take the book away? May I take the book away? Might I take the book away?语气的委婉程度从高到低为 can, could, may, might。2. can, could, may, might 表示请求许可时的回答。Can you give me another chance?Yes, I can.No, I cant.Could I look at your pictures?Yes, of course you ./I am sorry you .用 could 提问，表示“能吗？”，若表示同意用 can，不同意用 cant，注意不用 could 来回答。May I speak to you for a moment in private, ple
