WMUR: Lice concerns rise as children return to school. Here's what parents can do Lice concerns rise as children return to school. Here's what parents can do MSN: Natural lice remedies probably won't work — here's how to get rid of it fast Natural lice remedies probably won't work — here's how to get rid of it fast 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. 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.
how can you treat lice, The United States will do whatever it can to help Greece. 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. Define can. can synonyms, can pronunciation, can translation, English dictionary definition of can.
how can you treat lice, to be able to, have the power or skill to: I can take a bus to the airport.
