Stéphanie Michaud | 16 février, 2012 15:23
Here are many exercises to help you. You should start with subject/object pronouns and finish with possessive adjectives/pronouns. Exercises that focus on only one element are easier, mixed exercises are a little more challenging.
Exercises #1-2 on subject pronouns
Object forms of personal pronouns – Exercise
Mixed-Possessive adjectives and possessive pronouns