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"Tu" is a form of "tu", an adjective which is often translated as "your". "Yo sí" is a phrase which is often translated as "I do". Learn more about the difference between "yo sí" and "tu" below.
yo sí(
yoh
 
see
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I do
¿Todos sabéis las reglas del juego? - ¡Yo sí!Do you all know the rules of the game? - I do!
b. I did
No vi la película. - Yo sí que vi la película y me pareció fantástica.I didn't see the film. - I did see the film and I thought it was fantastic.
c. I would
¿Tú no viajarías a la Luna? Yo sí.Wouldn't you travel to the Moon? I would.
d. I can
Yo no sé hablar español. - Yo sí.I can't speak Spanish. - I can.
e. I could
¿Podríais venir mañana a cenar? - Supongo que yo sí, pero no sé si mi esposo podrá.Could you come tomorrow for dinner? - I guess I could, but I don't know about my husband.
f. I am
¿No estás viendo la serie de terror sobre zombis? Pues yo sí.Aren't you watching the horror series about zombies? Well I am.
g. I was
Mi hermano Luis no estuvo en esta escuela de pequeño, pero yo sí.My brother Luis wasn't in this school as a kid, but I was.
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tu(
too
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
1.
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
(possessive)
a. your
Mi casa es tu casa.My house is your house.
Ahora es tu turno.Now it's your turn.
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