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"If you want" is a phrase which is often translated as "si quieres", and "yes" is an interjection which is often translated as "sí". Learn more about the difference between "if you want" and "yes" below.
if you want(
ihf
yu
want
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. si quieres (informal)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
How about going to the movies? - If you want.¿Qué te parece si vamos al cine? - Si quieres.
yes(
yehs
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).