He gets up at 7 o'clock every day.
He doesn't get up at 7 o'clock every day.
Does he get up at 7 o'clock every day?
He gets up at 7 o'clock every day, doesn't he?
Does he get up at 7 o'clock or 8 o'clock every day?
Who gets up at 7 o'clock every day?
They are reading a book now.
They aren't reading a book now.
Are they reading a book now?
They are reading a book now, aren't they?
Who is reading a book now?
Are they reading a book or a magazine now?
What are they doing now?