who · pronoun /huː/
who (NAME)
A1 used to ask about someone's name or which person or group someone is talking about
Dictionary examples:
Who told you?
Who's that?
Who are all those people?
Who's playing in the match this afternoon?
Learner example:
What did you do at the party? Who was there? (Key English Test; A2; Romanian)
who (REFERRING TO SOMEONE)
A2 used at the beginning of a relative clause to show which person or group of people you are talking about
Dictionary examples:
That's the man who I saw in the bank.
I think it was your dad who phoned.
He rang James, who was a good friend as well as the family doctor.
Learner example:
It was my mother who gave it to me. (Key English Test; A2; French)
who (ADDING INFORMATION)
B1 used to give more information about someone
Dictionary example:
My brother, who's only 17, has already passed his driving test.
Learner example:
The bad guys tr[y] to take over the world and the good guys, who are the heroes [, try] to stop them from doing so. (Preliminary English Test; B1; Bengali)
Who cares?
B2 used to emphasize that you do not think something is important
Dictionary example:
"Chelsea should have reached the final!" "Who cares?"
Learner example:
"Who cares?" he answered. (First Certificate in English; B2; Greek)