1. I do exercises// Do I exercises? // I don't do exercises2. He works at a factory // Does he work at a factory? // He doesn't work at a factory3. She sleeps after dinner // Does she sleep after dinner ?? // She doesn't sleep after dinner 4. We work part-time. // Do we work part-time? // We don't work part-time5. The y drink tea every day // Do they drink tea every day?? // They don't drink tea every day6. Mike is a student// Is Mike a student?? // Mike isn't a student7. Helen has a car // Has Helen a car? // Helen hasn't a car8. You are a good friend // Are you a good friend? // You aren't a good friend9. You are good friends // Are you good friends? // You aren't good friends10. It is difficult to remember everything.// Is it difficult to remember everything? // It isn't difficult to remember everything.