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Whose Vs. Who's: Common Grammar Mistake

Updated on January 9, 2012

Whose Grammar Mistake is Who's

The difference between whose and who's is a common grammar mistake. Who's vs. Whose usage in grammar trips people up making them second guess themselves. People tend to believe any word with a contraction, such as who's, is a possessive form. Whose is actually the possessive form. When you write a quick email or letter to someone, it can be embarrassing to make grammar mistakes like who's vs. whose.

Use the resources on this page to help you sort out the details of whether to use who's or whose for you situation. There are examples of who's and examples of whose to help you know the difference between the two. Then take the grammar quiz at the end to see if you have mastered the use of who's and whose in sentences. Finally you will become the person whose use of the words whose and who's is perfect.

Differences Between Who's and Whose

"Who is"
"Who's the best golfer ever?"
Posessive of "Who"
"Whose iced tea is this?"

Examples of Who's in a Sentence

Use the following examples of who's in a sentence to get understand when to use who's and when to use whose. Remember "who's" really means "who is" or "who has."

  1. "This is my brother, who's an accountant."
  2. "Who's the best three point shooter on the team?"
  3. "Who's the president of the United States?"
  4. "You should check out my mechanic, who's really cheap and honest."
  5. "Who's been eating all the cookies out of the cookie jar?"
  6. "Who's not done with his or her assignments?"

Who's this Guy's Grammar Teacher

Who's the guy whose use of hoots is always right?  This guy.
Who's the guy whose use of hoots is always right? This guy.

Examples of Whose in a Sentence

"Whose drink is this on the counter?"

"There's the story about the guy whose wife stabbed him for life insurance money."

"Whose guitar is named Lucille?"

"Bart Simpson is the cartoon character whose dad's name is Homer."

"You have a patient in the waiting room whose arm is broken."

"Whose horrible example of grammar is this?"

Take the Online Who's Vs. Whose Grammar Quiz

Below you will find a quiz that tests your knowledge of the differences between the words who's and whose.  You must know when you should use who's versus when you should use whose.  Retake the who's vs. whose grammar quiz until you are sure in your understanding of the two.  You can post this grammar test on other pages with the "Get this Widget" link.

Who's and Whose Online Grammar Quiz

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Who's in the Mood for More Grammar Help

Who's in the mood to learn a little more about another confusing contractions.  The link below will lead you to a page similar to this one explaining the difference between it's and its, which seems to be even more of a prevalent problem in the population.  Help yourself look smart with these short lessons on grammar.


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    • music love profile image

      music love 4 years ago from United States


      Either of these is correct:

      Who is the girl?


      Who's the girl?

    • profile image

      maricar 4 years ago

      what is correct? please spare me answer.

      whose the girl? or who is the girl?

      answer is very much appreciated.

    • misslong123 profile image

      Michele Kelsey 4 years ago from Edmond, Oklahoma

      This is a subject I haven't covered in my Grammar Hub. I'd like to provide my readers more information and provide you with more traffic. May I use this webpage link on my site?

    • Sinea Pies profile image

      Sinea Pies 5 years ago from Northeastern United States

      Great hub. Voted up and useful. I am excited that I got 100% on your quiz. If it had been other easily confused words, I might not have fared so well! :)

    • grammarguide profile image

      grammarguide 5 years ago from Bangkok, Thailand

      Many of my Thai students actually commit exactly this mistake rather often. They forget that whose is actually the possessive form of who and that who’s actually means "who is" or "who has". Actually I'll use your post as a refresher in class. Thanks for reminding and sharing this!

    • lzlpio90 profile image

      lzlpio90 6 years ago

      Nice hub.. i took your online quiz and got it all perfectly before actually reading your hub... I'm not a native english speaker yet, i love english grammar way back schools.

    • htodd profile image

      htodd 6 years ago from United States

      Great post

    • astigpinoy16 profile image

      astigpinoy16 6 years ago from Philippines

      good hub, sometimes i mistakenly use these two words. thanks

    • RocketCityWriter profile image

      RocketCityWriter 7 years ago from Alabama

      Nice hub! Found while hopping and it's so funny because I was just looking this up the other day. Thanks!