The use of can to ask or grant permission has been common since the 19th century and is well established, although some feel may is more appropriate in formal contexts. Can is usually used in standard spoken english when asking for permission. See examples of can used in a sentence.
You use can to indicate that someone has the ability or opportunity to do something. Don't worry yourself about me, i can take care of myself. I can't give you details because i don't actually.
Despite the insistence by some, that can means only "to be able'' and may means "to be permitted,'' both are regularly used in seeking or granting permission: Can (or may) i borrow. Can synonyms, can pronunciation, can translation, english dictionary definition of can.
I can take a bus to the airport. I can't hear - can you turn the sound up? I can carry both bags - they're quite light.
You can sing lower than me. Despite the insistence by some, that can means only “to be able” and may means “to be permitted,” both are regularly used in seeking or granting permission:
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