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Sun 94 Posted 15 years ago
Grammar

Must not vs can't

When we talk about probability using must or can , what is the difference between the following two sentences?

Who is that guy?

It must be Tom or It must not be Tom or It Can't be Tom.


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Top answer

It must not be Tom. -- In the speaker's judgment, it is logically impossible. -- In the speaker's judgement, it is not possible.

  • It must not be Tom.
  • -- In the speaker's judgment, it is logically impossible.
  • -- In the speaker's judgement, it is not possible.
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1 Answers
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It must not be Tom. -- In the speaker's judgment, it is logically impossible.

It can't be Tom.-- In the speaker's judgement, it is not possible.

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