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.
Know the natural home remedies for arthritis in hands, which are available in your very own kitchen. These home remedies are highly effective in improving the symptoms of arthritis of hands thereby improving a person's quality of life.