dance – She isn't dancing.
1. answer – She isn't answering your question.
2. plant – He isn't planting trees.
3. move – They aren't moving the piano.
4. eat – It isn't eating fish.
5. pack – I am not packing books.
Проверка за 10 секунд: В отрицательных предложениях с глаголом "to be" добавляем частицу not после am, is, are.
Читерский прием: Помни, что are not можно сократить до aren't, а is not до isn't.