You have committed a crime.

you Pronoun

— Used instead of the name of the person being spoken to; it is a second-person pronoun. You are my best friend. Can I go to the shops with you? — Used to talk about anyone. You have to be 18 years old to see that film. She has problems with her eyes, and can't see you properly.

you Determinative

— Used before a word that means the person or people someone is talking to. You guys can leave now.

have Verb

— Someone has something if the thing is in their hands. The person is holding or gripping it. Do you have a spoon, or do you need me to give you one so you can eat the soup? — If you have uto/u do something, you must do it. I have to go. I had to do it. — Someone has something if the thing is that person's thing: the person owns it; it belongs to the person. The rich family has a big house. — If you have you hold something in the mind. I have a doubt about him. — If you have you join something. We have lunch at 13:00. — You use have to say that you suffer from something or to tell the experience. I have a defective vision. (I don't see well.) He had a wonderful time with his friends.

committed

— adjective bound or obligated, as under a pledge to a particular cause, action, or attitude committed church members a committed Marxist — adjective (= attached) associated in an exclusive sexual relationship

a Determinative

— A is used when the following word could be any of a certain type. Compare "A book I saw on the shelf" and "The book I gave you yesterday".

a Noun

— A is the first letter of the alphabet. The letter "a" comes before "b". — In some schools, an A is a very high grade. Ron got an A on his earth science test.

crime Noun

— A crime is an act that is against the law and for which you can go to jail. Murder is a crime. New York has a lot of crime. — A crime is an extremely bad action. Letting that puppy die is a crime.