Ustedes: Don't do the homework

(a)  

Usted: Don't listen to music

(a)  

Ustedes: Start now

(a)  

Ustedes: Wash your hands

(a)  

Ustedes: Don't wash your hands

(a)  

Usted: Buy the blouse

(a)  

Usted: Eat it

(a)  

Ustedes: Take out your homework

(a)  

Usted: Be good to your brother

(a)  

Usted: Listen

(a)  

Ustedes: Go to the park

(a)  

Usted: Don't arrive late to class

(a)  

Ustedes: Poner

(a)  

Ustedes: Don't eat it.

(a)