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"Sí" is a form of "sí", an adverb which is often translated as "yes". "Mucho" is an adjective which is often translated as "a lot of". Learn more about the difference between "sí" and "mucho" below.
sí(
see
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
a. yes
¿Quieres ir al cine? - Sí, pero primero hay que comer.Do you want to go to the movies? - Yes, but let's eat first.
2. (emphatic)
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Yo sí quiero acompañarlos a Disney.I do want to go with you to Disney World.
Ella no aprobó, pero yo sí.She didn't pass, but I did.
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
A pronoun is a word that stands in for a noun (e.g., she).
a. himself (third person singular masculine)
Suele jugar ajedrez con sí mismo.He usually plays chess against himself.
b. herself (third person singular feminine)
¡Se envió una carta a sí misma!She sent a letter to herself!
c. itself (third person singular)
El hilo se está enredando en sí.The string is getting tangled up in itself.
e. yourself (second person singular formal)
Solo desea el bien para sí.You only wish good for yourself.
f. yourselves (second person plural formal)
¡Solo tienen que creer en sí mismos!You just have to believe in yourselves!
mucho(
moo
-
choh
)An adjective is a word that describes a noun (e.g., the big dog).
b. much (used with uncountable nouns)
¿Hay mucho desempleo en esa área?Is there much unemployment in that area?
c. many (used with plural nouns)
No hay muchas habitaciones en este hotel.There aren't many rooms in this hotel.
2. (in excess)
a. too much (used with uncountable nouns)
Es mucha responsabilidad para un niño tan joven.It's too much responsibility for such a young child.
b. too many (used with plural nouns)
Me diste muchas naranjas; solo quiero unas pocas.You gave me too many oranges; I only want a few.
A pronoun is a word that stands in for a noun (e.g., she).
b. much (replaces an uncountable noun)
¿Quieres que compre queso? - Sí, no queda mucho.Do you want me to buy cheese. - Yes, there isn't much left.
c. many (replaces a plural noun)
¿Todavía hay flores en el jardín? - Sí, muchas sobrevivieron la sequía.Are there still flowers in the garden? - Yes, many survived the drought.
d. plenty
¿Quieres llevarte algunas manzanas? Tenemos muchas.Would you like to take some apples with you? We have plenty.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
