vs 

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"I am a" is a phrase which is often translated as "soy un", and "an" is an indefinite article which is often translated as "un". Learn more about the difference between "I am a" and "an" below.
I am a(
ay
 
ahm
 
uh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. soy un (masculine)
I am a human being, and I deserve your respect.Soy un ser humano, y me merezco tu respeto.
b. soy una (femenine)
I am a good person, but sometimes I do bad things.Soy una buena persona, pero a veces hago cosas malas.
c. soy
I am a carpenter, and I build houses.Soy carpintero, y construyo casas.
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an(
ahn
)
An indefinite article is a word that indicates that a noun is not specific (e.g., a girl).
indefinite article
a. un (masculine)
That's an elephant.Eso es un elefante.
b. una (feminine)
I'd like an apple.Me gustaría una manzana.
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
preposition
a. cada
Paulina is paid $20 an hour.A Paulina le pagan $20 cada hora.
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