WH Questions

We use question words to ask certain types of questions. We often refer to these words as WH words because they include the letters WH (for example WHy, HoW).

Question Word	Function	Example
What	information about something	What is your email address?
	repetition or confirmation	What? I can't hear. You did what?
What...for	a reason, asking why	What did you do that for?
When	time	When will he return?
Where	place or position	Where exactly do you live?
Which	choice	Which pairs do you want?
Who	person or people (subject)	Who is she sitting next to him?
Whom	what or which person (object)	Whom did you give to?
Whose	ownership	Whose are these books?
Why	reason, what...for	Why do you say that?
Why don't	suggestion	Why don't you help me?
How	manner	How does this work?
	condition or quality	How was your exam?
How far	distance	How far is your house from school?
How long	length (time or space)	How long will it take?
How many	quantity (countable)	How many cars are there?
How much	quantity (uncountable)	How much money do you have?
How old	age	How old are you?
How come	reason, (why)	How come I can't see her?