It is acceptable in most forms of written english, although in very formal writing, such as official instructions, may is often used instead See examples of can used in a sentence. Persons under 14 unaccompanied by an adult may not enter.
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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 negative constructions (mayn't is not common)
Cannot and can't are usual in such contexts. Cannot, can't she can speak english, french, and german 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 have any details The united states will do whatever it can to help greece. 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.
Have the ability, power, or skill to.
