2. I'm not going to make a cake.

   I'm going to make invitations.

3.  He's not going to play the guitar.

    He's going to play the drums.

4. She's not going to tidy in the living room.

   She's going to tidy in the bedroom.

5. We're not going to play basketball.

   We're going to play footbal.

6. They're not going to paint the walls.

   They're going to paint a banner.