Why do we add S to some words but ES to others? And when a word ends with Y, how do we know whether to change the Y to I before adding the plural suffix? And why on earth does knife become knives? You can unravel these mysteries with six simple rules.
Infographic for active vs passive voice. A helpful infographic from Your Dictionary. Perfect for the classroom! I like that this doesn't make passive voice seem like the be all that end all in composition.