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.
English Is Weird Infographic -- Did you know that English is the first language of between 300 and 400 million people. However, only about of the total population of the world speaks English as a native language?