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Difference Between Who’s and Whose and a Quiz

In the realm of English grammar, certain word pairs cause confusion, not least because they sound exactly the same. “Who’s” and “whose” fall into this category.

Although they are homophones, meaning they are pronounced the same way, they have different meanings and grammatical functions.

WordPart of SpeechDefinitionExample
Who’sContractionContraction of “who is” or “who has.”“Who’s coming to dinner tonight?” (Who is coming to dinner tonight?) / “Who’s had a chance to review the document?” (Who has had a chance to review the document?)
WhosePossessive PronounUsed to ask or describe to whom something belongs.“Whose coat is this?” / “She is the scientist whose research changed the field.”

This article aims to demystify these two words, providing clear definitions, examples, and practical tips to help you distinguish between them and use them correctly in your writing.

difference between whos and whose

you can also check out our quiz on the difference between whose and who’s as well ion the middle of this article

Section 1: Understanding “Who’s”

Who’s: A Contraction

“Who’s” is a contraction of “who is” or “who has.” It’s used in informal and spoken English and is commonly found in questions and statements where “who is” or “who has” could also fit.

Examples of “Who’s” in Use

Here are some instances where “who’s” is used correctly:

  • “Who’s going to the party tonight?” (Who is going to the party tonight?)
  • “Who’s had the chance to read the new report?” (Who has had the chance to read the new report?)

These examples illustrate how “who’s” simplifies sentences while retaining their original meaning.

Section 2: Exploring “Whose”

Whose: A Possessive Pronoun

In contrast, “whose” is a possessive pronoun. It is used to ask or tell about whom something belongs to. “Whose” is appropriate in formal and written English and is often used in both questions and statements.

Usage in Sentences

Examples of “whose” include:

  • “Whose book is this?” Here, “whose” is asking about the ownership of the book.
  • “She is the author whose novel won the award.” “Whose” in this sentence describes to whom the novel belongs.

Who’s and Whose Whats the Difference Quiz

You can check out our quiz to practice the difference between who’s and whose here as well.

Whose vs. Who’s Quiz

Whose vs. Who’s Quiz

Question 1: “_____ book is this?”


Question 2: “_____ going to the party tonight?”


Question 3: “_____ car is parked in the driveway?”


Question 4: “_____ going to help us with the project?”


Question 5: “_____ responsibility is it to clean up the mess?”


Question 6: “_____ going to be the next president?”


Question 7: “_____ decision was it to cancel the event?”


Question 8: “_____ going to fix this broken chair?”


Question 9: “_____ idea was it to visit the museum?”


Question 10: “_____ going to be the captain of the team?”


Total Score: 0

Section 3: Tips to Differentiate Between “Who’s” and “Whose”

Differentiating between “who’s” and “whose” can be made simpler with these guidelines:

  1. Understanding Function: Recognize that “who’s” is a contraction (who is or who has), while “whose” is a possessive pronoun. Assess whether the sentence requires a contraction or is indicating possession.
  2. Substitution Test: Replace “who’s” with “who is” or “who has.” If the sentence still makes sense, then “who’s” is correct. For “whose,” check if the sentence is asking or describing possession.
  3. Contextual Clues: Pay attention to the context. If the sentence is about ownership or belonging, “whose” is likely the right choice. If it’s simply a contraction of “who is” or “who has,” then “who’s” is appropriate.

Common Errors to Avoid:

  • Using “who’s” when referring to possession (incorrect: “Who’s car is parked outside?”).
  • Employing “whose” as a contraction (incorrect: “Whose going to the meeting?”).

Section 4: The Importance of Accurate Word Choice

The misuse of “who’s” and “whose” can lead to confusion and misinterpretation, particularly in written communication where tone and visual cues are absent.

Accurate usage of these terms is crucial for conveying the intended message clearly and professionally. In formal writing, academic contexts, or professional communication, such precision is even more critical.


The distinction between “who’s” and “whose,” while subtle, is significant in the English language. Understanding and correctly applying these terms is key to clear and precise communication.

By embracing the guidelines outlined in this article, you can enhance your writing and ensure your messages are conveyed accurately.

We also have an article with over 50 of the most commonly confused words in English here on the site.

What to do next?

Do you have any personal tricks for remembering the difference between “who’s” and “whose”? Share your experiences or any questions you have in the comments below.

For additional grammar tips and resources, explore our website and check out our interactive quizzes to test your understanding!

Other Commonly Confused words in English

Affect and EffectAccept and ExceptAdvise and Adviceyour and you’re
Lay and lieWho and whomIts and It’slose and loose
to, two and tooThat and Whichpray and praywrite, right and rite
who’s and whoseemigrate and immigratefarther and further


I have been a teacher of English for over 15 years, in that time i made hundreds and thousands of resources and learnt so much i think its worth sharing. Hopefully to help teachers and parents around the world.

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