Help me fix my spanish, i need to use imperative or command form, my answers are wrong
 Write complete Spanish sentences expressing the affirmative or negative command, depending on if no is present. If no is present in the example, make the command negative. If there is not a no in the example, please form the command in the affirmative.
 13. ponerse la ropa
 my answer:No ponerse la ropa.
 14. no ir a la cama
 my answer: Ir a la cama.