12 cooked. 13 don't eat. 14 am not eating. 15 will not eat. 16 didn't eat. 17 Do you go to school every day? 18 Are you going to school now?19 Will you go to the south next summer? 20 Did you go abroad last summer? 21 What does your brother do every day? 22 What is your brother doing now? 23 What will your brother do tomorrow? 24 What did your brother do yesterday?