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"Supongo" is a form of "suponer", a transitive verb which is often translated as "to suppose". "Si" is a form of "si", a conjunction which is often translated as "if". Learn more about the difference between "supongo" and "si" below.
suponer(
soo
-
poh
-
nehr
)
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
transitive verb
a. to suppose
Supongo que el examen no te será muy difícil con notas así.I suppose that the exam won't be very difficult for you with grades like that.
b. to assume
Suponiendo que lleguen tarde, ¿qué hacemos mientras tanto?Assuming they are late, what can we do in the meantime?
c. to imagine
Supón que ganemos la lotería, podríamos comprar todas las donas del mundo.Imagine if we won the lottery; we could buy all the donuts in the world.
a. to imagine
Lo suponía mucho más rico de lo que es.I imagined he was much richer than he actually is.
a. to mean
Una falta repentina de fondos supondría el final del proyecto.A sudden lack of funds would mean the end of the project.
suponerse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
pronominal verb
a. to imagine
Su casa es tal y como me la suponía.Their home is exactly as I imagined it.
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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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