Which is correct: "Who doesn't like cookies?" or "Who don't like cookies?" — Berni, Slovenia
The correct sentence is "Who doesn't like cookies?"
In questions with "who" as the subject of the sentence, you should use the third person singular verb, even if the answer to "who" may not be a third person singular subject. Below are some examples of this.
In the following examples, the verb is the same for both the question and the answer because the subject of the answer happens to be third person singular:
Whois teaching math this year? --> Mr. Brownis teaching math this year. [Who and Mr. Brown are both third person singular.]
Whois running for city council? --> Sheis running for city council. [Who and she are both third person singular.]
Whohas finished the assignment? --> Jimhas finished the assignment. [Who and Jim are both third person singular.]
Whodoes the dishes every day? --> Daddoes the dishes every day. [Who and Dad are both third person singular.]
In the following examples, the subject of the answer is not third person singular, but you still use a third person singular verb in the question. All of these examples are grammatical:
Whois coming to the party? --> Laura, Shannon, and Kaseyare coming to the party. [Laura, Shannon, and Kasey is a third person plural subject.]
Whodoes the kids' laundry? --> The kidsdo their own [=the kids'] laundry. [Who is singular but the kids is plural.]
Whowants a hot dog? --> We (all)want hot dogs. [Who is third person singular but we is first person plural.]
Whohas a dog? --> Theyhave a dog. [They can be singular or plural but always takes a plural verb.]
Whodoesn't like cookies? --> Idon't like cookies. [Who is third person singular but I is first person singular.]
If you want to learn more about when to use don't and when to use doesn’t please see these articles from our archive: