Is she singing a song in the next room?
Who is singing a song in the next room?
Where is she singing a song?
Is she singing a song or reading a book in the next room?
She is singing a song in the next room, isn’t she?
Does Bob play football every week?
Who plays football every week?
What game does Bob play?
Does Bob play football or basketball every week?
Bob plays football every week, doesn’t he?
Has she been cooking a pie for half an hour?
Who has been cooking a pie for half an hour?
When has she been cooking a pie?
Has she been cooking a pie or chicken for half an hour?
She has been cooking a pie for half an hour, hasn’t she?
