| Definite | el / la / los / las | ¿Dónde está el baño? | Where is the bathroom? |
| Indefinite | un / una / unos / unas | Tengo un hermano. | I have a brother. |
| Contractions | a el → al, de el → del | Voy al mercado. | I'm going to the market. |
| In general | things in general take the definite article | Me gustan los perros. | I like dogs. |
| Days | el lunes means “on Monday” | Te llamo el lunes. | I'll call you on Monday. |
| No article | a job after ser | Ana es profesora. | Ana is a teacher. |
| A2No article | an amount that is not counted | Compro pan. | I'm buying bread. |
| A2Stressed a | el before a feminine noun in stressed a | El agua está fría. | The water is cold. |
| A2Body | the article instead of a possessive | Me duele la cabeza. | My head hurts. |
| Trap | no un or una before a job | Mi padre es médico. | My father is a doctor. |