The use of can to ask or grant permission has been common since the 19th century and is well established, although some commentators feel may is more appropriate in formal contexts. …

Can is usually used in standard spoken English when asking for permission. It is acceptable in most forms of written English, although in very formal writing, such as official instructions, may …

To describe a specific occurrence in the past, use was/were able to instead of could.

Define can. can synonyms, can pronunciation, can translation, English dictionary definition of can. to be able to, have the power or skill to: I can take a bus to the airport.

Definition of can modal verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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 …

You use can to indicate that someone is allowed to do something. You use cannot or can't to indicate that someone is not allowed to do something. Can I really have your jeans when you …

"Can" is one of the most commonly used modal verbs in English. It can be used to express ability or opportunity, to request or offer permission, and to show possibility or impossibility.

Can - English Grammar Today - a reference to written and spoken English grammar and usage - Cambridge Dictionary

used to say that it is possible for somebody/something to do something, or for something to happen. I can run fast. Can you call back tomorrow? He couldn't answer the question. The …