9. 1) Yesterday Nodira stayed at home. Ahror didn't stay at home.
2) Nodira helped her mother.
3) Nodira cleaned the room.
4) Nodira swept the floor.
ПОМОГИТЕ ПОЖАЛУЙСТА ПЛИЗ​

Отрицательная форма Past Simple образуется из didn't + глагол в начальной форме.

2) Ahror didn't help her mother

3) Ahror didn't clean his room

4) Ahror didn't sweep the floor

Ответ:

2)Ahror didn't help her mother

3)Ahror didn't clean the room

4)Ahror didn't sweep the floor

Объяснение:

когда мы пишем did; didn't, глагол во второй форме прошедшего времени уходит в обычный вид...(swept → didn't sweep)