You use anything in statements with negative meaning to indicate in a general way that nothing is present or that an action or event does not or cannot happen.

You use anything in questions and conditional clauses to ask or talk about whether something is present or happening.

You can use anything before words which indicate the kind of thing you are talking about.

You use anything to emphasize a possible thing, event, or situation, when you are saying that it could be any one of a very large number of things.

You use anything in expressions such as anything near ,anything close to and anything like to emphasize a statement that you are making.

When you do not want to be exact, you use anything to talk about a particular range of things or quantities.

You use as anything after an adjective to emphasize a quality that someone has.

You use anything but in expressions such as anything but quiet and anything but attractive to emphasize that something is not the case.

You can say that you would not do something for anything to emphasize that you definitely would not want to do or be a particular thing.

You use if anything, especially after a negative statement, to introduce a statement that adds to what you have just said.

You can add or anything to the end of a clause or sentence in order to refer vaguely to other things that are or may be similar to what has just been mentioned.