( ) are you doing?
(How) are you doing?
Ask for someone's age.
How old are you?
What is your name?
My name is ( ).
This question word refers to a place
Where
What is your hobby?
My hobby is ( ).
( ) do you live?
(Where) do you live
Ask about someone's favorite color.
What is your favorite color?
How is the weather?
It is ( ).
This question word refers to time
When
Who is your favorite character?
My favorite character is ( ).
( ) does lunch end?
(When) does lunch end?
Ask about someone's favorite band.
Who is your favorite band?
When does school start?
School starts at ( ).
This question word refers to people
Who
Where is the Eiffel Tower?
It is in France.
( ) is a popular athlete?
Who is a popular athlete?
Ask someone for the time school ends.
When does school end?
Where are we right now?
We are in English class.
This question word can ask about a number.
How (many)
Why do you like green tea ice cream?
Because it is ( ).
( ) is English so difficult?
(Why) is English so difficult?
Ask about the location of someone's house.
Where do you live?
Where is your house?
Who is the best singer?
The best singer is Madona.
This question word asks for a reason
Why
How many people live in Tokyo?
9 million people live in Tokyo.