1 Yesterday we did not skate at the stadium
2 I did not help my brother
3 They did not work hard last week
4 My friend and i did not play chess yesterday evening
5 Tom did not want to read this book
6 Last Sunday he did not sky in the park
7 Mary didnot visit her granny last week
8 Denis and Tim did not walk in the park last Sunday
9 Last year they did not in Moscow
10 I did not watch TV yesterday/