Необходимо сделать отрицательным и в прошедшем медли пжжжж безотлагательно нужноооо 15

1) Yesterday, I did not clean my teeth in the morning ,in the afternoon and in evening 2)Yesterday,I did not wash my hands and face 10 times 3)Yesterday , I did not help my friends to do their homework 4)Yesterday , I did not play chess with a champion 5)Yesterday, I did not watch TV at night 6)Yesterday, I did not skate at the stadium.