If you want your own prose to be clear and also grammatical, you need to follow the rules governing pronouns and antecedents. That may sound obscure, but it comes up in pretty much everything you ...

But other types of pronouns get used without clear antecedents, too. “I know there’s a lot to say, which isn’t necessarily important.” In this sentence, “which” is a pronoun.

Ms. Gowers points out that if they can have singular antecedents, yet another interpretation rears its head: The pronoun they in twist the neck of one of them when they ran to him could be read as ...

The word a pronoun replaces, in this case, ‘Dave’, is called its antecedent. ‘This house is scheduled for demolition.’ In other words, ‘Waterson House is scheduled for demolition.