Using WHO, WHOM, WHOSE and Example Sentences in English Using WHO in English WHO is used for people. Who is a subject pronoun. Example; I, he, she, we and etc… We use WHO to ask which person does an action or which person is a certain way. Examples Who’s gonna cook dinner today? Who prepares the texts in the President’s speech? The person who you met after school was my teacher. The man who I saw yesterday was Alex. Who will participate in the competition today? The woman who you are waiting for. The student who succeeds in mathematics exam.