Word Usage

Mary W. Ng

June 26, 2009

who’s, whose

Who’s is the abbreviation of who is or who has. Whose is an interrogative pronoun or interrogative determiner.

Incorrect:Whose this song about?
Correct:Who’s this song about?
Incorrect:We can deliver a better product who’s price is cheaper.
Correct:We can deliver a better product whose price is cheaper.