This document provides information about possessive case and possessive adjectives in English grammar:
- Possessive adjectives express possession or ownership, such as "my", "her", "their".
- Possessive case is formed with an apostrophe ('s) and shows ownership of a noun over another person, place, or thing. Rules for forming possessive case include adding 's to singular nouns and just an apostrophe to plural nouns.
- Examples are given to illustrate the correct use of possessive case and common mistakes to avoid.