Here are the sentences with the going to form:
1. Peter is going to visit (visit) his grandfather.
2. Mark and John are going to watch (watch) a film on TV.
3. Next week my uncles are going to move (move) to the Algarve.
4. Are you going to play (you / play) the piano this evening?
5. John is not going to study (not study) for his exam.
6. Next week I am going to write (write) a letter to Eminem.
7. "Are you going to do (do) your homework?" "No, I'm not. I am going to play (play