1. <span>Is the umbrella yours or mine? The pronoun yours is a <u>possessive </u>pronoun because it refers to somebody owning something - in this case, an umbrella. 2. Each of the boys began to clean <u>his </u>desk. You don't have to use their here because we know that both persons are male - you would use their if the sentence said: Each of the children...</span>
