Answer: In Spanish we use commands to give someone advice or to tell people what you would like them to do. Formal affirmative commands (usted & ustedes) are used when addressing people in a formal manner or to be polite.
Explanation: Negative informal commands, also called negative tú commands, are used to tell a friend, family member the same age as you or younger, classmate, child, or pet not to do something. examples. No compres la camisa.