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"Si" is a form of "si", a conjunction which is often translated as "if". "Le gusta" is a form of "le gusta", a phrase which is often translated as "he likes". Learn more about the difference between "si" and "le gusta" 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...
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le gusta(
leh
 
goos
-
tah
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. he likes
A word or phrase that is masculine (e.g., el libro).
(masculine)
A mi novio y a mí nos gustan distintos tipos de cine; a él le gusta el cine francés, y a mí me gusta el cine estadounidense.My boyfriend and I like different kinds of films; he likes French cinema, and I like US movies.
b. she likes
A word or phrase that is feminine (e.g., la manzana).
(feminine)
Creo que le gusta el anime si quieres regalarle algo.I think she likes anime if you want to give her a present.
c. likes
Si a Juan le gusta leer, podemos comprarle un buen libro para su cumpleaños.If Juan likes to read, we can get him a nice book for his birthday.
a. he likes
A word or phrase that is masculine (e.g., el libro).
(masculine)
Me contó Bernardo que le gusta Susana.Bernardo told me that he likes Susana.
b. she likes
A word or phrase that is feminine (e.g., la manzana).
(feminine)
Pensaba invitar a Rosa a cenar. ¿Sabes si le gusta el sushi?I was thinking of taking Rosa out for dinner. Do you know if she likes sushi?
c. likes
Al hermano de Juan le gusta mi prima.Juan's brother likes my cousin.
3.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(second person singular; it's to your taste)
a. you like
Si le gusta el vino tinto, este es una excelente opción.If you like red wine, this one is an excellent option.
4.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(second person singular; you're attracted to)
a. you like
Sé que a usted le gusta Alejandra. ¿Por qué no la invita a salir?I know you like Alejandra. Why don't you ask her out?
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