Notes on Possessive Adjectives and Pronouns in Spanish

Definition: Show personal relationships or possession.
Forms:
- Short-form: mi(s), tu(s), su(s), nuestro(a/os/as), vuestro(a/os/as).
- Long-form: More expressive; follows the noun it describes.

Short-form Examples:
- mi libro (my book)
- mis libros (my books)
- tu libro (your book)
- sus cuadernos (his/her notebooks)
- nuestro cuaderno (our notebook)

Forms:
- Singular: mío(a), tuyo(a), suyo(a), nuestro(a), vuestro(a).
- Plural: míos(as), tuyos(as), suyos(as), nuestros(as), vuestros(as).
Usage: Used for emphasis, following the noun.
- Example: "un amigo mío" (a friend of mine).

Definition: Also show personal relationships, replace nouns.
Formation:
1. Use the long form of the possessive adjective.
2. Add el, la, los, las according to gender and number.
Example:
- "Los libros son de Armando, son suyos" (The books belong to Armando, they are his).

Short-form:
- yo: mi (my), mis (my)
- tú: tu (your), tus (your)
- él/ella/usted: su (his/her), sus (his/her)
- nosotros/nosotras: nuestro(s), nuestra(s) (our)
- vosotros: vuestro(s), vuestra(s) (your)
- ellos/ellas/ustedes: su (their), sus (their).
Long-form:
- mío (my), mía; tuyos (yours), tuya; suyo (his/hers), suya;
  nuestro (ours), nuestra; vuestro (yours), vuestra.
Placement:
- Short-form precedes the noun.
- Long-form follows the noun and requires an article (el, la, los, las).

"Esta es mi silla y esa es tuya" (This is my chair and that one is yours).
"Los carros son de Ramira, son suyos" (The cars belong to Ramira, they are hers).