May is relatively rare in negative constructions (mayn't is not common) Cannot and can't are usual in such 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 is often used instead Persons under 14 unaccompanied by an adult may not enter. Cannot, can't she can speak english, french, and german
To describe a specific occurrence in the past, use was/were able to instead of could. 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. Used to say that it is possible for somebody/something to do something, or for something to happen Can you call back tomorrow
The stadium can be emptied in four minutes I can't promise anything, but i'll do what i can Please let us know if you cannot attend the meeting. 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 your tape recorder? 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. Get a quick, free translation To be able to do something To be allowed to do something Used to ask someone to do or… Definition of can modal verb in oxford advanced american dictionary
