С, ) составьте предложения с отрицанием: 1) tomorrow is tom's birthday 2) when did you buy that dress? 3) it'll be windy tomorrow

1)Tomorrow isn`t Tom's birthday
2) When did you not buy that dress?
3)It won`t be windy tomorrow
(думаю что правильно)

1) Tomorrow isn`t Tom's birthday
2) When didn`t you buy that dress?
3) It willn`t be windy tomorrow