When I can use 'may' and when 'can'?

[Gelly]

English Idioms and Expressions, Elementary Level

ESL/EFL Test #3 "Take it easy", question 2

Am I allowed to smoke in here?

(a) May I
(b) Must I
(c) Can I
(d) Will I

English Idioms and Expressions, Elementary Level

ESL/EFL Test #3 "Take it easy", answer 2

May I smoke in here?

Correct answer: (a) May I

Your answer was: correct
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when i can use may and when can?

Gelly

[Alan]

Hi Gelly,

Can suggests ability as in: Can you swim the whole length of the swimming pool?

May suggests permission as in:

May I use your swimming pool this afternoon?

Alan
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English as a Second Language
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