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"Si" is a form of "si", a conjunction which is often translated as "if". "Lo veo" is a phrase which is often translated as "I see him". Learn more about the difference between "lo veo" and "si" below.
lo veo(
loh
 
beh
-
oh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I see him (masculine)
Hablo seguido con Franco. Lo veo al menos una vez por semana.I talk with Franco often. I see him at least once a week.
b. I see it
¿Puedes ver el tanque enemigo? - Sí, lo veo.Can you see the enemy tank? - Yes, I see it.
2.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(I observe you)
a. I see you
¡Cada vez que lo veo, tiene un corte de pelo diferente!Everytime I see you, you have a different haircut!
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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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