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"Sus" is a form of "su", an adjective which is often translated as "his". "Tuya" is a form of "tuya", an adjective which is often translated as "yours". Learn more about the difference between "sus" and "tuya" below.
su(
soo
)An adjective is a word that describes a noun (e.g., the big dog).
a. his (masculine) (singular)
A word or phrase that is masculine (e.g., el libro).
A word or phrase that is singular (e.g., el gato).
¿Hiciste su tarea por él?Did you do his homework for him?
b. her (feminine) (singular)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase that is singular (e.g., el gato).
¿Sabes dónde está el cargador de su teléfono?Do you know where the charger is for her phone?
c. its (singular)
A word or phrase that is singular (e.g., el gato).
Esta es su perrera.This is its doghouse.
2. (formal) (possessive; second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
tuya(
too
-
yah
)An adjective is a word that describes a noun (e.g., the big dog).
1. (informal) (possessive; second person singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
A pronoun is a word that stands in for a noun (e.g., she).
2. (informal) (possessive; second person singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
a. yours
Me robaron la bicicleta. ¿Puedo utilizar la tuya esta semana?My bicycle was stolen. Can I use yours this week?
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
3. (botany)
a. white cedar
Yo elegiría una madera sólida para la cerca, por ejemplo, tuya o pino.For the fence, I would choose solid wood like white cedar or pine.
