Indefinite articles: un, una, unos, unas
Can use indefinite articles for first mentions and know when to omit them (professions, nationalities)
Look at these examples. Can you spot the grammar pattern?
Tengo un hermano y una hermana.
I have a brother and a sister.
Soy profesor.
I am a teacher. Not: *I am a teacher (with article).
Hay unos niños en el parque.
There are some children in the park.
Pay attention to the highlighted parts. What do they have in common?
Los artículos indefinidos se usan cuando mencionamos algo por primera vez o algo no específico.
| Singular | Plural | |
|---|---|---|
| Masculino | un libro | unos libros |
| Femenino | una casa | unas casas |
Usos:
¡No se usa artículo indefinido con:
Nota: En plural, unos/unas es opcional. Hay libros = Hay unos libros.
Apply this grammar in A1 course exercises
Practice ExercisesTengo un hermano y una hermana.
I have a brother and a sister.
'Hermano' is masculine → un. 'Hermana' is feminine → una. First mention = indefinite article.
Soy profesor.
I am a teacher. Not: *I am a teacher (with article).
No article with professions in Spanish! 'Soy profesor' — but WITH adjective: 'Soy un buen profesor'.
Hay unos niños en el parque.
There are some children in the park.
'Unos' = some (plural indefinite). It's optional: 'Hay niños en el parque' is also correct.
Practice in course
Apply this grammar in A1 course exercises