|what||asking for information about something
asking about action
|What caused the accident? (subject)
What did you tell him? (object)
What did you do last night?
|what … for||asking for purpose or reason||What did you do that for?|
|when||asking about time||When did he leave?|
|where||asking about place or position||Where do they live?|
|which||asking about choice||Which colour do you want?|
|who||asking about people (subject)||Who opened the door?|
|who(m)||asking about people (object)||Who(m) did you give it to?|
|whose||asking about ownership||Whose are these keys?
Whose books did you borrow?
|why||asking for reason or purpose||Why do you say that?|
|why don’t||making a suggestion||Why don’t we go out for a drink?|
|how||asking about manner||How does your work?|
|how far||asking about distance||How far is Pattaya from Bangkok?|
|how long||asking about length or time or space||How long does it take to finish it?|
|how many||asking about quantity (countable)||How many books are there on the shelf?|
|how much||asking about quantity (uncountable)||How much money do you have?|
|how old||asking about age||How old is your mother?|
|how wide/deep||asking about width/depth||How wide is this swimming pool?
How deep is this swimming pool?
|how come||asking for reason (informal)||How come I can’t see her?|
Examples of making WH- questions:
- John has to go to the airport to catch a plane tomorrow morning.
Who has to go to the airport to catch a plane tomorrow morning?
What does John have to do to catch a plane tomorrow morning?
What does John have to go to the airport tomorrow morning for?
When does John have to go to the airport to catch a plane?
- She is cooking a special dish.
What is she doing in the kitchen?
What is she cooking in the kitchen?
- We are going to stay in Hanoi for two days.
How long are you going to stay in Hanoi?
- We can use his car to get to the station.
Whose car can we use to get to the station?
- There are about 150 houses in this area.
How many houses are there in this area?