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"De dónde es él" is a form of "de dónde es él", a phrase which is often translated as "where he's from". "Profesor" is a noun which is often translated as "teacher". Learn more about the difference between "profesor" and "de dónde es él" below.
el profesor, la profesora(
proh
-
feh
-
sohr
)
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
masculine or feminine noun
a. teacher
La Sra. Romero es mi profesora favorita.Mrs. Romero is my favorite teacher.
b. instructor
Contrató a una profesora de esquí para mejorar sus habilidades.He hired a ski instructor to improve his abilities.
c. professor (university)
Regionalism used in the United States
(United States)
Los profesores de mi universidad son los mejores.The professors at my university are the best.
d. lecturer (university)
Regionalism used in the United Kingdom
(United Kingdom)
El profesor de mi clase de italiano es muy difícil de entender.The lecturer in my Italian class is very difficult to understand.
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de dónde es él(
deh
 
dohn
-
deh
 
ehs
 
ehl
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. where he's from
No sé de dónde es él, pero su novia es potuguesa.I don't know where he's from, but his girlfriend is Portuguese.
b. where he comes from
Me pregunto de dónde es él. Tiene un acento que no reconozco.I wonder where he comes from. He has an accent I can't identify.
a. where is he from
¿De dónde es él si dices que no es inglés? - Es irlandés.Where is he from if you say he's not English? - He's Irish.
b. where does he come from
La madre de María es de Colombia, pero su padre no. - ¿De dónde es él entonces?Maria's mother comes from Colombia, but her father doesn't. - Where does he come from then?
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