Relative pronouns introduce a dependent clause. A relative pronoun is used when answering one of the following questions: which one, how many, or what kind. Here is a list of relative pronouns and what they are used for: Who is used to refer to a person as the subject Whom is used to refer to a person as the object Which is used to refer to an animal or thing What is used to refer to a nonliving thing That is used to refer to a person, animal, or thing Relative pronouns are similar to conjunctions in that they are words that join a relative or dependent clause to an independent clause to the main clause of a sentence. The noun that is used will decide which relative pronoun to utilize. Here are some examples with the relative pronouns underlined:“The boat that we sailed on was huge!”“The book, which is now falling apart, was written in 1891.”“I believe she’s the one who left me a message.”“Justin should be able to find what you’re looking for.”“The person to whom you have just spoken is a close friend of mine.”