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"Estas" is an adjective which is often translated as "these", and "estos" is a pronoun which is also often translated as "these". Learn more about the difference between "estas" and "estos" below.
estas
An adjective is a word that describes a noun (e.g., the big dog).
A pronoun is a word that stands in for a noun (e.g., she).
a. these
Estas son las cosas que me molestan de ti.These are the things about you that I find annoying.
b. these ones
Me gustan más estas. Aquellas sillas no pegan con la mesa.I like these ones better. Those chairs don't go with the table.
estos(
ehs
-
tohs
)A pronoun is a word that stands in for a noun (e.g., she).
a. these
¿Cuáles libros te quieres llevar? - Quiero estos.Which books do you want to take? - I want these.
b. these ones
Los zapatos de esta tienda son increíbles. - Ya sé; me encantan estos.The shoes in this shop are amazing. - I know; I love these ones.
2. (colloquial) (demonstrative)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
a. they
Todos fuimos a nadar, excepto Pablo y Agustín. Estos se quedaron a cuidar nuestras pertenencias.We all went swimming, except Pablo and Agustin. They stayed to look after our stuff.
An adjective is a word that describes a noun (e.g., the big dog).