Commonly Confused Words: That vs. Which vs. Who

Introduction: "That," "Which," and "Who" are relative pronouns used to add more information about a subject, object, or idea in a sentence. Though they all serve a similar function, they are used in different contexts. This tutorial will help clarify when and how to use each one. Definitions That: Used to introduce essential clauses (restrictive clauses) that provide necessary information about the noun. Which: Used to introduce non-essential clauses (non-restrictive clauses), often providing additional information that could be omitted without changing the meaning of the sentence. Who: Used to refer to people or sometimes animals in a more personal sense. Key Differences That is used for defining or restricting clauses, meaning the information is essential to the meaning of the sentence. Which is used for additional information that is not essential to the sentence’s meaning, often set off by commas. Who is used when referring to people or animals …