vs 

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"Si" is a form of "si", a conjunction which is often translated as "if". "Vos" is a pronoun which is often translated as "you". Learn more about the difference between "vos" and "si" below.
vos(
bohs
)
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
1.
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
(second person singular)
Regionalism used in Central America: Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, and Panama
(Central America)
Regionalism used in South America: Argentina, Bolivia, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay, and Venezuela
(South America)
a. you
Me saqué un 10 en inglés. ¿Y vos?I got a 10 in English. And you?
2.
A word or phrase that is seldom used in contemporary language and is recognized as being from another decade, (e.g., cat, groovy).
(old-fashioned)
(personal)
a. thou
A word or phrase that is seldom used in contemporary language and is recognized as being from another decade, (e.g., cat, groovy).
(old-fashioned)
(subject)
Mi señor, vos sois mi amo y os obedeceré.Milord, thou art my master and I shall obey.
b. thee
A word or phrase that is seldom used in contemporary language and is recognized as being from another decade, (e.g., cat, groovy).
(old-fashioned)
(object)
Me arrodillo ante vos, Rey Pedro.I bow before thee, King Peter.
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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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