【might】may和might的区别may和might,must的区别

发布时间:2021-04-05 10:42:31

may和might的区别may和might,must的区别 英语

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【答案】 may,might
  1) 表示请求和允许.might比 may语气更委婉,而不是过去式.否定回答时可用can’t
  或mustn’t,表示“不可以,禁止”.
  ----Might/ May I smoke in this room?
  ---- No,you mustn’t.
  ---- May/Might I take this book out of the room?
  ---- Yes,you can.(No,you can’t / mustn’t.)
  用May I...征徇对方许可时比较正式和客气,而用Can I...在口语中更常见.
  2)用于祈使句,表示祝愿.
  May you succeed!
  3) 表示推测、可能性(不用于疑问句).
  might不是过去式,它所表示的可能性比may小.
  1.He may /might be very busy now.
  2.Your mother may /might not know the truth.
  三、 must
  1) 表示必须、必要.
  You must e in time.
  在回答引出的问句时,如果是否定的,不能用mustn’t(禁止,不准),而用needn’t,don’t have to(不必).
  ---- Must we hand in our exercise books today?
  ---- Yes,you must.
  ---- No,you don’t have to / you needn’t.
  2) must是说话人的主观看法,而have to则强调客观需要.Must只有一般现在时,have to 有更多的时态形式.
  1. he play isn’t interesting,I really must go now.
  2. I had to work when I was your age.
  3) 表示推测、可能性(只用于肯定的陈述句)
  1. You’re Tom’s good friend,so you must know what he likes best.
  2. Your mother must be waiting for you now.
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