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"Indefinido" is an adjective which is often translated as "undefined", and "mientras" is a conjunction which is often translated as "while". Learn more about the difference between "indefinido" and "mientras" below.
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. undefined
La obra está situada en un lugar y en una época indefinida.The play takes place in an undefined space in an unknown time.
b. vague
El pintor pintó formas indefinidas y utilizó colores oscuros.The painted painted vague forms and used dark colors.
a. indefinite
Los jefes sindicalistas convocaron a los obreros a realizar un paro indefinido.Union leaders called construction workers out on a indefinite protest.
b. unlimited
La licencia del programa fue adquirida por tiempo indefinido.The software license was acquired for an unlimited period of time.
a. indefinite
Completa las oraciones con el artículo definido y el indefinido correcto.Fill in the blanks using the correct definite and indefinite articles.
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mientras(
myehn
-
trahs
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. while
Lavó los platos mientras yo dormía la siesta.He did the dishes while I took a nap.
a. as long as (followed by verb in subjunctive)
Mientras trabaje aquí, nunca podré tomarme unas vacaciones en condiciones.As long as I work here, I'll never manage to take a proper vacation.
3. (if)
a. as long as (followed by verb in subjunctive)
Mientras termines los deberes a tiempo, me da igual que escuches música o no.As long as you finish your homework on time, I don't mind if you listen to music.
a. whereas
Mientras que a mi hermana le encanta leer, a su esposo le encanta trabajar en el jardín.Whereas my sister loves to read, her husband loves to garden.
b. while
Yo soy vegetariana, mientras que a mi marido le encanta la carne.I'm vegetarian, while my husband loves meat.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. meanwhile
Tu hermana va a recoger su cuarto. Mientras, tú puedes quitar el polvo del salón.Your sister is going to clean up her room. Meanwhile, you can dust the living room.
b. in the meantime
Saca al perro; mientras, puedo trapear el piso de la cocina.Take the dog out. I can mop the kitchen floor in the meantime.
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