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"Quienes" is a form of "quienes", a pronoun which is often translated as "who". "A quién" is a phrase which is often translated as "to whom". Learn more about the difference between "quienes" and "a quién" below.
quienes(
kyeh
-
nehs
)
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. who
Ellos son quienes siempre me han apoyado.They're the ones who have always been supportive.
b. whom
Ellos son los chicos con quienes toco los fines de semana.They're the guys with whom I play on the weekends.
a. whoever
Felicito a quienes hayan participado en el concurso.Congratulations to whoever participated in the contest.
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a quién(
ah
 
kyehn
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. to whom
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
¿A quién le vendió su casa?To whom did you sell your house?
b. whom
¿A quién fuiste a visitar esta tarde?Whom did you visit today?
c. who
¿A quién le falta libro?Who hasn't got a book?
a. to whom
Si no sabe a quién dirigir la carta, llame y pregunte.If you don't know to whom you should address the letter, inquire about it over the phone.
b. whom
No vas a adivinar a quién he visto hoy.You'll never guess whom I saw today.
c. who
Me pregunto a quién le podría interesar.I wonder who might be interested.
a. who
¡A quién le importa eso ahora!Who cares about that now!
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