Possessive Adjectives

Have to agree with the noun they describe

mi/mis – my
tu/tus – your
su/sus – your (usted), his/her/it’s
nuestro/nuestra/nuestros/nuestras – our
vuestro/vuestra/vuestros/vuestras – your
su/sus – their

nuestro coche
nuestra madre
nuestros tios
mi libro
mis cartes
tu perro

Possessive Pronouns

mío, mía, míos, mías – mine
tuyo, tuya, tuyos, tuyas – yours
suyo, suya, suyos, suyas – his/hers/its/yours (usted)
nuestro, nuestra, nuestros, nuestras – ours
vuestro, vuestra, vuestros, vuestras – yours
suyo, suya, suyos, suyas – theirs/yours (ustedes)

este libro es mío, aquél es tuyo
this bok is mine, that is yours