Ответ:
1. a) David isn't copying out the text now.
b) Is David copying out the text now?
2. a) I am not wearing my new beautiful dress now.
b) Am I wearing my new beautiful dress now?
3. a) Granny isn't making a cake now.
b) Is granny making a cake now?
4. a) The sun isn't shining now.
b) Is the sun shining now?
5. a) It isn't getting cold now.
b) Is it getting cold now?
6. a) We aren't doing shopping now.
b) Are we doing shopping now?
7. a) My cat isn't playing with a ball on the carpet now.
b) Is my cat playing with a ball on the carpet now?
8. a) The children aren't putting their toys into the box now.
b) Are children putting their toys into the box now?
9. a) It isn't raining now.
b) Is it raining now?
Объяснение:
При вопросе вспомогательный глагол идёт в начало, перед местоимением.
При отрицательном значении предложения в Present Continuous добавляется not к вспомогательному глаголу.