Information questions
How
Way or quality/quantity
How long is it since you last saw Kelly?
How much does it cost?
How many eggs did she buy?
How old are you?
When
Time
When is your birthday?
When were you born?
When does Anna arrive?
Who
Person / people
Who was at the party?
Who is running in the park?
Subject and Object
The object is the person or thing that is acted upon, or receives the action
Simple past: did
What did Joel make?
Simple present: do and does
Who does Nina like?
Subject is the person or thing that performs the action
Questions
Who / What + verb in simple present or simple past + object?
Simple past
Who made a sandwich?
Daniel made a sandwich.
Simple present
Who likes Fred?
Karen likes Fred.
We want some fruit juice.
Why
Reason/ becuase...
Why should I keep the ticket?
Why are you sad?
Why did Alex leave?
Where
Place
Where is the bus stop?
Where can I buy a ticket?
Where does Natasha live?
What
Thing, idea, event , or action
What day is today?
What are you doing this weekend?
What are you thinking about?