Пример: cosmo/play/with a toy mouse? was cosmo playing with a toy mouse? ответ: no, he wasn't. he was eating his dinner. lucy/watch tv? ответ mrs hardy/wash the car? ответ peter and harry/do their homework? ответ mr hardy/drink tea? ответ beth/listen to music? ответ

Was Lucy watching TV? Yes, she was. She was watching TV
Was Mrs Hardly washing the car? No, he wasn't. He was reading a book.
Were Peter and Harry doing their homework? Yes, they were. Pete and Harry were doing homework.
Was Beth listening to music? Yes, he was. Beth was listening music