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"Comprendo" is a form of "comprender", a transitive verb which is often translated as "to understand". "Sí" is a form of "sí", an adverb which is often translated as "yes". Learn more about the difference between "comprendo" and "sí" below.
comprender(
kohm
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prehn
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dehr
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. to understand
Es importante comprender los problemas a los que se enfrenta el país.It's important to understand the problems the country is facing.
a. to include
Esta guía comprende información útil acerca de todos los parques nacionales.This guide includes useful information about all of the national parks.
comprenderse
A reciprocal verb is a verb that indicates that two or more subjects perform an action on each other (e.g., Ellos se abrazan.).
a. to understand each other
Mis dos hermanas no se comprenden. Son personas muy diferentes.My two sisters don't understand each other. They are very different people.
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!