We sometimes use can to ask or give permission for something:
Use can´t (=cannot) to refuse permission (to say it isn´t OK to do something).
- Can I smoke in this room?
- You can't smoke here, but you can smoke in the garden.
(Note that we also use could, may, might for permission. The use of can for permission is informal.)
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-
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?
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I/you/we/they can borrow the bike.
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I/you/we/they can´t smoke here
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Can I/you/we/they go out?
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He/she/it can use my mobile phone
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He/she/it can´t park here
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Can he/she/it use your car?
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