|Question word||Asking for / about …||Example|
|What … ?||information, type||What’s your name?
What is an oak – a tree or a plant?
|When … ?||time, day, year, etc.||When were you born?
When are you coming – today or tomorrow?
|Why … ?||reason||Why are you so tired?
Why don’t you go to bed?
|Which … ?||choice||We have fruit tea and green tea – whichwould you like?|
|Who … ?||a person, a name||Who wrote War and Peace – was it Tolstoy?|
|How … ?||method, quality, condition||How do you travel to work – by bus or by car?
How was the soup?
How are you today?
|Whose … ?||possession, owner||Whose is this pen? Is it yours or mine?|
|Whom … ? [formal]||a person, name||Whom did you see?|
Whom is very formal and is not often used in spoken English. Most native speakers use who:
- Whom did you see? [formal written, formal spoken English]
- Who did you see? [standard spoken English]