vs 

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"En vez de" is a preposition which is often translated as "instead of", and "antes de" is a preposition which is often translated as "before". Learn more about the difference between "en vez de" and "antes de" below.
en vez de(
ehn
 
behs
 
deh
)
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
preposition
a. instead of
¿Por qué no me ayudas en vez de quedarte ahí mirando?Why don't you help me instead of sitting there watching?
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antes de(
ahn
-
tehs
 
deh
)
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
preposition
a. before
Perdón, señor. Estaba antes de usted en la fila.Excuse me, sir. I was before you in the line.
a. before
Tienes que sacar el permiso de aprendizaje antes de poder conducir.You need to get a learner's permit before being able to drive.
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