Possessive Nouns explains and demonstrates apostrophe usage in the English language to show possession. Video imagery and voice-over combine to illustrate both singular and plural apostrophe usage when showing ownership. This video explains why proper apostrophe usage is important when reading and writing, and sticks to basic, consistent grammar rules. Exceptions, includes singular possessive nouns already ending in “s” and irregular plural nouns will be addressed in MORE Possessive Nouns