Whose vs. Who’s : Differences, Uses & Examples

Writing

18th December 2023

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When it comes to commonly confused words in English, “whose” and “who’s” often top the list. Although they sound exactly the same, these words serve entirely different purposes and are used in distinct grammatical contexts. Knowing when to use “whose” or “who’s” correctly is important, especially in academic and professional writing, where accuracy and clarity are crucial. In this blog post, we’ll break down the difference between these two words, provide examples, and share tips to help you avoid confusion.

The Difference Between “Whose” and “Who’s”

At the heart of the confusion is the fact that both words are homophones—words that sound alike but have different meanings and spellings. Let’s explore each term:

  • Whose: This is the possessive form of “who.” It is used to ask or describe who something belongs to. It often appears in questions or relative clauses to indicate ownership.
  • Who’s: This is a contraction of “who is” or “who has.” It’s simply a shortened version of these phrases and is always followed by a verb.

Though these definitions may seem simple enough, understanding when to use each word requires a closer look at how they function in sentences.

Using “Whose”

“Whose” indicates possession and is most commonly used in questions or statements about who owns or is associated with something. It can refer to both people and things.

Examples:

  1. Whose book is this? (Here, “whose” is used to ask who the book belongs to.)
  2. This is the teacher whose lessons are always engaging. (In this sentence, “whose” connects the teacher with the lessons they own or conduct.)
  3. The dog, whose owner is out of town, is staying with friends. (Here, “whose” refers to the dog’s owner, indicating possession.)

In each case, “whose” is used to identify possession or association with someone or something.

Using “Who’s”

“Who’s” is a contraction of “who is” or “who has.” It is a shortened form and must be followed by either a verb or a past participle to complete the sentence.

Examples:

  1. Who’s coming to the meeting? (This means “who is coming to the meeting?”)
  2. Who’s been eating my biscuits? (Here, “who’s” stands for “who has.”)
  3. Do you know who’s in charge of this project? (In this sentence, “who’s” is a contraction for “who is.”)

The key thing to remember with “who’s” is that it always stands in for “who is” or “who has.” If you can replace “who’s” with either of these phrases, you are using it correctly.

Common Mistakes with “Whose” and “Who’s”

Because “whose” and “who’s” sound identical, it’s easy to mix them up, especially when writing quickly. One of the most common mistakes is using “who’s” when referring to possession, when it should be “whose.”

Example of a common error:

  • Incorrect: Who’s car is parked outside?
  • Correct: Whose car is parked outside?

Here, the writer wants to indicate possession (who the car belongs to), so the correct word is “whose.”

On the other hand, sometimes people mistakenly use “whose” when they mean “who is.”

Example of another common error:

  • Incorrect: Whose going to the cinema tonight?
  • Correct: Who’s going to the cinema tonight?

In this case, the writer is asking about who is going, so the contraction “who’s” is needed.

How to Avoid Confusing “Whose” and “Who’s”: Quick Tips

The easiest way to avoid mixing up “whose” and “who’s” is to mentally expand “who’s” into its full form—either “who is” or “who has”—and see if it makes sense in the sentence. If it fits, then “who’s” is the correct choice. If it doesn’t, you should be using “whose.”

Let’s practice this with an example:

  1. Who’s coming to the party? (This expands to “who is coming to the party?” which makes sense, so “who’s” is correct.)
  2. Whose jacket is on the chair? (You can’t replace “whose” with “who is” or “who has” here, so the correct word is “whose” to indicate possession.)

This simple check can save you from making mistakes and ensure that your writing is both clear and grammatically correct.

Remember the Apostrophe

One thing that may help you remember is that “who’s” contains an apostrophe because it is a contraction. Contractions are words that have been shortened by omitting letters and replacing them with an apostrophe. Therefore, “who’s” always stands for “who is” or “who has,” both of which have a missing letter (the “i” in “is” or the “ha” in “has”). If you don’t see a contraction happening in the sentence, then “whose” is the right choice.

Advanced Tip: Relative Clauses with “Whose”

“Whose” is often used in relative clauses to give more information about someone or something. It helps to connect two ideas in a sentence.

Example:

  • The author, whose book was a bestseller, is speaking at the event.

In this sentence, “whose” connects “author” and “book,” showing that the book belongs to the author. This type of relative clause can be useful in more advanced writing and allows you to incorporate detail in a smooth and grammatically correct way.

Conclusion

Now you should hopefully have a clearer understanding of the main distinction between  “whose” and “who’s” and you can navigate the terrain of possessive pronouns and contractions with confidence. To recap: “whose” means possession, while “who’s” is a contraction of “who is” or “who has.” By practising with examples and staying vigilant during proofreading, you’ll ensure your writing is grammatically sound and conveys your intended meaning effectively.

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