That is my book. That is mine. How are these different? If you are not sure, this study lesson is perfect for you. The lesson has some very clear examples and an exercise to test your knowledge. Resource URL: http://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/poss.htmScreen shot: Category: Pronouns/PossessionLevel: Lower IntermediateFinal rating: 80