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"Si" is a form of "si", a conjunction which is often translated as "if". "Hace frío" is a phrase which is often translated as "it's cold". Learn more about the difference between "si" and "hace frío" below.
si(
see
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. if
Si llueve mañana, cancelaremos el pícnic.If it rains tomorrow, we will cancel the picnic.
a. whether
Preguntó si me estaba divirtiendo.He asked whether I was enjoying myself.
b. if
Paco quiere saber si Laura también va a asistir.Paco wants to know if Laura is also going to attend.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. B
Primero lo oí en si menor.I first heard it played in B minor.
b. ti (solfége)
Practiquemos las escalas en orden inverso: do, si, la...Let's practice scales in reverse order: do, ti, la...
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hace frío(
ah
-
seh
 
free
-
oh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. it's cold
Hace frío en Canadá durante el invierno, así que debes llevar una chamarra gruesa.It's cold in Canada during the winter, so you should take a thick coat.
Hace frío. - Prende la calefacción.It's cold. - Turn on the heat.
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