Indefinite Pronouns

Pronombres indefinidos

Spanish indefinite pronouns, sometimes called affirmative indefinite pronouns, are unspecific and are used in place of nouns. They can be the

  • subject of a sentence
  • object of a verb
  • object of a preposition
Todo el mundo está aquí.   Everyone is here.
Compró algo.   He bought something.
Tengo un regalo para alguien.    I have a gift for someone.

Spanish indefinite pronouns

algo     something 1
alguien   someone 1
alguno, alguna   a certain one 1, 2
algunos, algunas   some, a few 2, 3
cada uno   each one 1, 2, 3
cualquiera   anyone, whoever 1
mucho(a)(s)   a lot, much, many 3
un otro, una otra   another one 1, 2
otros, otras   others 2
sí (mismo, misma)   one(self) 4
todo   everything 1
todo el mundo    everyone 1
uno   one 1, 3, 5
varios, varias   some, several 2, 3

Notes

1. These pronouns take the third person singular form of the verb.

¿Todo está bien?   Is everything ok?
Alguien debe saber.   Someone must know.

2. These pronouns must always have an antecedent (something they refer to in the same or a preceding sentence).

Perdí mi pluma, entonces tengo que comprar una otra.   I lost my pen, so I have to buy another one.
Tiene 50 libros y quiero leer cada uno.   He has 50 books and I want to read each one.

3. These pronouns can be modified with de + ellos, ellas, nosotros, vosotros, Uds., or a noun.

Uno de vosotros tiene que ayudarme.    One of you has to help me.
Algunos de los estudiantes están aquí.   Some of the students are here.

4. is the indefinite reflexive prepositional pronoun.

5. Uno is the indefinite subject pronoun.

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