| A | B |
| Come back early. | Vuelve temprano. |
| Don't come back until midnight. | No vuelvas hasta la medianoche. |
| Ask him a favor. | Pídele un favor. |
| Don't ask him a favor. | No le pidas un favor. |
| Close the windows. | Cierra las ventanas. |
| Don't close the windows. | No cierres las ventanas. |
| Don't close them (the windows). | No las cierres. |
| Close them (the windows). | Ciérralas. |
| Open the door. | Abre la puerta |
| Don't open it. (the door) | No la abras. |
| Open it. (the door) | Abrela |
| Take me to the movies. | Llévame al cine. |
| Don't take her. | No la lleves. |
| Do the homework. | Haz la tarea. |
| Don't do it. (the homework) | No la hagas. |
| Tell her the truth. | Dile la verdad. |
| Don't tell me anything. | No me digas nada. |
| Put the keys on the table. | Pon las llaves en la mesa. |
| Don't put them on the table. (the keys) | No las pongas en la mesa. |
| Don't go to the library. | No vayas a la biblioteca. |
| Be patient. | Ten paciencia. |
| Don't be afraid. | No tengas miedo. |