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"Si" is a form of "si", a conjunction which is often translated as "if". "Es muy importante" is a phrase which is often translated as "he's very important". Learn more about the difference between "si" and "es muy importante" 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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es muy importante(
ehs
 
mwee
 
eem
-
pohr
-
tahn
-
teh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. he's very important
Conozco a este cantante, pero no recuerdo su nombre. Es muy importante en la escena punk.I know this singer, but I can't remember his name. He's very important in the punk scene.
b. she's very important
Queremos mucho a nuestra niñera, Sara. Es muy importante para nuestra familia.We love our nanny, Sara. She's very important to our family.
c. it's very important
Es muy importante verificar regularmente que las alarmas de incendio estén funcionando.It's very important to check regularly that the smoke alarms are working.
d. is very important
El GPS es muy importante para los exploradores.GPS is very important for explorers.
2.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(second person singular)
a. you're very important
No podemos permitirnos perderlo, señor González. Es muy importante para nosotros.We can't afford to lose you, Mr. Gonzalez. You're very important to us.
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