<例句>
You may as well bring me a book too.
你不妨也给我带一本书来。
<语法分析>
情态动词may可以用于某些成语中，其意义有所变化。用may来提出问题，表示“可不可以”，用于陈述句中表示“可以”或“不可以”及“可能”等。在某些状语从句里，也可以用may，此外还可以用来表示祝愿等。might可以用作may的过去式，也可以代替may，用来谈现在的情况，口气比may更婉转一些。在需要表示轻微的埋怨或批评以及在某些虚拟条件句中都需要用might。
<触类旁通>
(1) I may leave now, mayn't I?
我现在可以走了，是吗?
语法分析：用may来提出问题，问可不可以。
(2) She may have gone abroad.
她有可能出国了。
语法分析：表示“可能性”。
(3) Shut the door for fear that it may rain.
关上门，以防下雨。
语法分析：用在某些状语从句中。
(4) May you be happy!
祝你们幸福!
语法分析：表示祝愿。
(5) They may well have won the football match.
他们很可能赢得了那场足球赛。
语法分析：用在某些成语里。
(6) Might I have a little brandy?
可否给我一点白兰地?
语法分析：might代替may，使口气更婉转。
(7) If you didn't mind, we might go there.
假如你不介意，我们可能去那里。
语法分析：might用于虚拟条件句中。
(8) You might have told me!
你本可以告诉我一声的嘛!
语法分析：表示轻微的埋怨或批评。
<巩固练习>
(1) ______ I use your phone?
(2) Dogs _____ not be taken into these carriages.
(3) However frightened you _____ be yourself, you must remain calm.
(4) They _____ be good reports, but they seem to lack facts.
(5) Try as he _____ ,he could not persuade his friends to go.
(6) If you invited her, she _____ come.
(7) You ______ tell me if you're going to be late.
<参考答案>
(1) May (2) may (3) may (4) may (5) might (6) might (7) might
