2016年江西成考专升本英语考试复习笔记17(4)

来源:
江西成考网
发布日期
2017年04月19日

摘要:  情态动词有can, could, may, might, must, should, ought to, need, dare, had better, would rather 等。情态动词相当于助动词,不能单独使用,必须再接动词原型。ought to 整个相当于情态动词,否定是在情态动词后加not,但是ought to的否定是ought not to.   1、can, could   表示能力、允许、客观可能性。   She is only four, but she can read.

an in a factory.

  She would rather have the small oranges than the large ones.

  I would rather you came tomorrow.

  (would sooner 迟早,后的宾语从句用虚拟语气,一般过去时。)

  I would sooner she left the heavy end of the work to someone else.