Упражнение 221,пожалуйста как можно быстрее

1-am writing, 2-was writing, 3-is sleeping, 4-was sleeping, 5-aren't doing, are playing, 6-weren't doing, 7-was reading, 8-isn't reading, 9-is going, 10- правильнее What are you doing, am drinking, 11-were you drinking, weren't drinking, 12-was reading, is reading, 13-is playing, 14-was shining, were singing, 15-are you eating, 16-were you eating, 17- what is your father doing, 18-what was your father doing, 19-why is she crying, 20-why was she crying, 21-am enjoying.