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"Si" is a form of "si", a conjunction which is often translated as "if". "Puede ser" is a phrase which is often translated as "maybe". Learn more about the difference between "puede ser" and "si" below.
puede ser(
pweh
-
deh
 
sehr
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. maybe
¿Crees que a Ana le gusta Martín? - Puede ser. No lo sé.Do you think Ana likes Martín? - Maybe. I don't know.
b. perhaps
¿Vas a casarte con ella? - Puede ser. Ya veremos.Are you going to marry her? - Perhaps. We'll see.
c. it's possible
¿Habrá otro referendo? - Puede ser.Will there be another referendum? It's possible.
d.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
¿Crees que despedirán a papá? - Puede ser, pero no te preocupes.Do you think Pop will be dismissed? - He may be, but don't worry about it.
No habrá bebido el whisky Julián, ¿verdad? - Ni idea, pero supongo que puede ser.You don't think it was Julián who drank the whisky, do you? - I've no idea, but I suppose it could have been him.
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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 picnic.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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