Using Who In A Sentence

Updated Mar 14, 2023

Using "Who" in a Sentence: A Guide to Proper Usage

Have you ever found yourself unsure of when and how to use the word "who" in a sentence? You're not alone! Understanding the correct usage of "who" can sometimes be tricky, but fear not – we're here to help. In this article, we'll explore the various ways to use "who" in a sentence and provide you with useful examples to clarify its proper usage.

Introducing "Who"

"Who" is a pronoun used to refer to people or individuals. It helps us identify or inquire about a person, and it is particularly useful when we want to ask about someone's identity, occupation, or role in a specific context.

Using "Who" as a Subject Pronoun

One common usage of "who" is as a subject pronoun in a sentence. When "who" is the subject of a sentence, it typically initiates or refers to the individual performing the action.

Example 1:

  • Who is going to the party tonight?
  • Who ate the last piece of cake?

In these examples, "who" is used to inquire about the person performing the action (going to the party and eating the last piece of cake).

Using "Who" as an Object Pronoun

"Who" can also function as an object pronoun, receiving the action of a verb or preposition.

Example 2:

  • I wonder who he is talking to on the phone.
  • She is the one who I invited to the event.

In both sentences, "who" is used to represent the person receiving the action (being talked to on the phone and being invited to the event).

Using "Who" in Questions

"Who" is often used to ask questions about people or individuals. Whether you're curious about someone's identity, occupation, or role, "who" is your go-to pronoun.

Example 3:

  • Who is the CEO of this company?
  • Who won the Nobel Prize in Literature this year?

In these questions, "who" helps us seek information about a person's position or achievement.

Using "Who" in Relative Clauses

"Who" is commonly used in relative clauses to provide additional information about a person or group of people.

Example 4:

  • The woman who lives next door is a doctor.
  • The students who participated in the science fair won awards.

In these sentences, "who" introduces additional details about the woman and the students, respectively.


Understanding how to use "who" correctly in a sentence is crucial for effective communication. Whether you're using it as a subject or object pronoun, asking questions, or incorporating it into relative clauses, "who" helps us refer to people and seek information about them. By applying the examples and guidelines provided in this article, you'll be well-equipped to use "who" confidently and accurately in your everyday conversations and writing.

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