This document discusses the use of possessive adjectives in Spanish. It explains that possessive adjectives in Spanish must agree in number and gender with the nouns they modify. It provides examples of the possessive adjectives for "my", "your", "his/her", "our", and "their" in Spanish and how they change based on whether the noun is singular or plural, masculine or feminine. It emphasizes that the number of the noun, not the owner, determines the form of the possessive adjective. It includes self-test questions to check understanding.