1. Is she going to play tennis?
She is not going to play tennis.
She is going to read a book.
2. Are you going to buy the book?
I am not going to buy the book.
I am going to take it from library.
3. Are they going to walk?
They are not going to walk.
They are going to take a bus.
4. Is he going to work?
He is not going to work.
He is going to have lunch.