Помогите пожалуйста добрые люди, даю много баллов кто правильно напишет

большое спасибо

1.i am writing2.i was writing3.is sleeping4.was sleeping5.aren't doing/are playing6.weren't doing/were playing7.was reading8.isn't reading9.is going10.what do you doing/i am drinking11.were you drinking/no i weren't drinking/i were eating12.was reading/is reading13.is playing14.was shining/were singing15.are you eating16.were you eating17.is doing 18.was doing19.is crying20.was crying21.i am enjoying

сама ищу ответ не могу найти