How do you use 'may'?

I'm learning English and I've got a question about how to use 'may'.

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- Can I smoke here?
- I'm sorry, you can't.
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How does it sound, if the speaker says 'I'm sorry, you may not.' instead of 'I'm sorry, you can't.'?
Do you find the expression with 'may not' odd in this situation?

by muzicahit. No Comments
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