What are you waiting for? - Can you tell me...
... what you are waiting for?
Were you playing basketball yesterday? - I don't know...
... if you were playing basketball yesterday.
Are they from Chile? - I don't remember...
... if they are from Chile.
Was he studying all night again? - Do you know...
... if he was studying all night again?
Were they eating lots of candy? - I don't know...
... if they were eating lots of candy.
What were you two talking about? - Can you tell me...
... what you two were talking about.
