Народ, срочно надо решить, задания по английскому фото прикрепляю

1. I am writing an English exercise now . 2 . I was writing an English exercise at this time yesterday . 3 My little sister is sleeping now . 4 . My little sister was sleeping at this time yesterday . 5 . My friends are not doing their homework now . They are playing volleyball . 6 . My friends were not doing their homework at seven o'clock yesterday . They were playing volleyball . 7 . She was reading the whole evening yesterday . 8 . She is not reading now . 9 . Now she is going to school . 10 . What are you doing now ? -I am drinking tea . 11 . Were you drinking tea at this time yesterday ? -No , I was not drinking tea at this time yesterday , I was eating a banana . 12 . My sister is fond of reading . She was reading the whole evening yesterday , and now she is reading again . 13 . Look ! My cat is playing with a ball . 14 . When I went out into the garden , the sun was shining and birds were singing in the trees . 15 .Are you eating ice cream now ? .16 . Were you eating ice cream when I rang you up yesterday ? 17 . What is your father doing now ? 18 . What was your father doing ) from eight till nine yesterday ? 19 . Why is she crying now ? 20 . Why was she crying when I saw her yesterday ?