Ответ:
- They are shopping at the supermarket. They aren't cooking dinner.
- He is doing his homework. He isn't watching TV.
- They are playing with the fish. They aren't fishing.
- She is texting a friend. She isn't reading.
Для Present Continuous используется форма am/is/are + глагол с окончанием -ing. В отрицании добавляется not.
