Помогите пожалуйста добрые люди, даю много баллов кто правильно напишет

1.i am writing 2.i was writing 3.is sleeping 4.was sleeping 5.aren't doing/are playing 6.weren't doing/were playing 7.was reading 8.isn't reading 9.is going 10.what do you doing/i am drinking 11.were you drinking/no i weren't drinking/i were eating 12.was reading/is reading 13.is playing 14.was shining/were singing 15.are you eating 16.were you eating 17.is doing  18.was doing 19.is crying 20.was crying 21.i am enjoying

сама ищу ответ не могу найти