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QUICK ANSWER
"Cuál es tu película favorita" is a form of "cuál es tu película favorita", a phrase which is often translated as "what your favorite movie is". "Por qué" is a form of "por qué", a phrase which is often translated as "why". Learn more about the difference between "cuál es tu película favorita" and "por qué" below.
cuál es tu película favorita(
kwahl
ehs
too
peh
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lee
-
koo
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lah
fah
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boh
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ree
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tah
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (informal) (in statements; singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
a. what your favorite movie is (United States)
Regionalism used in the United States
No sabría decir cuál es tu película favorita, pero me da la impresión de que eres muy romántico.I couldn't guess what your favorite movie is, but I have the feeling you're very romantic.
b. what your favourite film is (United Kingdom)
Regionalism used in the United Kingdom
Si me dices cuál es tu película favorita, podríamos alquilarla y verla en mi casa.If you tell me what your favourite film is, we could rent it and watch it at my place.
2. (informal) (in questions; singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
a. what is your favorite movie (United States)
Regionalism used in the United States
¿Cuál es tu película favorita de todos los tiempos? - "Blade Runner" sin duda.What is your favorite movie of all time? - "Blade Runner" without a doubt.
b. what is your favourite film (United Kingdom)
Regionalism used in the United Kingdom
Si "Lo que el viento se llevó" es tu novela favorita, ¿cuál es tu película favorita?If "Gone with the Wind" is your favourite novel, what is your favourite film?
por qué(
pohr
keh
)A phrase is a group of words commonly used together (e.g., once upon a time).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
