Singular and Plural Possessives: Place that Apostrophe

Possessive nouns show who or what owns something. In this worksheet, learners will review the rules for changing singular, plural, and irregular plural nouns into possessive nouns. They will then use what they have learned to proofread a passage, then rewrite nine nouns in their correct possessive form. Designed for fourth graders, this punctuation and spelling worksheet can be used with the lesson plan Who's the Owner?