A concept map about the possessive 's explaining how English expresses possession and relationships between people and things. The map presents the basic construction with 's, shows the rules for singular nouns and plural nouns ending in -s, and explains the difference between the possessive 's and the use of of. Examples such as Stefano's mother, my parents' dog and Simpsons' car help students understand and use the possessive form correctly. A useful English grammar summary for studying, reviewing and learning how the possessive 's works.