Ответ:

Ответ: смотри решение в разметке ниже.

Краткое пояснение: Чтобы составить отрицательное предложение в Present Continuous, нужно добавить частицу not после am, is, are.
  1. It isn't raining (not rain) all day.
  2. They aren't working (not work) in the garden now.
  3. I am not playing (not play) the piano now.
  4. Mother isn't having (not have) dinner now.
  5. Granny isn't sleeping (not sleep) now.
  6. My grandparents aren't listening (not listen) to the radio now.

Ответ: смотри решение в разметке выше.