What is who?
The relative pronoun used for people.
Make the question
The boy who lives next door is my friend.
Who is the boy who lives next door?
"The princess who kissed the frog turned into a human."
who kissed the frog
What is which?
The relative pronoun used for things.
Make the question
What did she were red
What is a dress that was red?
"The genie who lives in the lamp is very funny."
Who is the genie that lives in the lamp?
What is whose?
The relative pronoun used for possession.
Make the question
I have a book which was written by J.K. Rowling.
What is a book which was written by J.K. Rowling?
The animal that runs really fast is the cheetah."
What animal is the one that runs really fast?
What is that?
The relative pronoun that can refer to people or things.
Make the question
We visited a museum in Jalisco that had ancient artifacts.
Where is the museum that had ancient artifacts?
The palace where Cinderella dances is magnificent."
Where does Cinderella dance?
What is when or where?
The relative pronoun used for time or place.
Make the question
The car is in Tlalpan. I bought it last year.
Where is the car that I bought last year?
The tiger who is friends with Mowgli is named Bagheera."
: Who is the tiger that is friends with Mowgli?