vs 

QUICK ANSWER
"Si" is a form of "si", a conjunction which is often translated as "if". "Estoy trabajando" is a form of "estoy trabajando", a phrase which is often translated as "I'm working". Learn more about the difference between "si" and "estoy trabajando" 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...
Copyright © 2025 Dictionary Media Group, Inc.
estoy trabajando(
ehs
-
toy
 
trah
-
bah
-
hahn
-
doh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I'm working
Estoy trabajando en un nuevo proyecto con un equipo excelente.I'm working on a new project with a great team.
Copyright © 2025 Dictionary Media Group, Inc.