Нужно написать в отрицательной форме 1)he is playing chess now 2)she writes the letter to her parents every day 3) my father can swim very well 4)kelly bought a beautiful present to her mother 5)last sunday kate went to new-york 6) yesterday the weather was nasty 7) we usually go to the swimming-pool after lessons 8) they are reading now 9) my mother is a teacher 10) nancy likes sweets very much