["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 is often", "Be able to is possible in all tenses - but \"can\" is possible only in the present and \"could\" is possible only in the past for ability. In addition, \"can\" and \"could\" have no infinitive form.", "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 go? We can't", "The verb that comes after Can is in the infinitive without to: I can speak Spanish. (= it is possible for me to speak Spanish = I have the ability to speak Spanish)", "\"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.", "Canva is a free-to-use online graphic design tool. Use it to create social media posts, presentations, posters, videos, logos and more.", "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. May is relatively rare in"]