Задание № 4. Преобразуйте предложения в отрицательные: 13. Your uncle is a teacher. 14. The sisters were famous dancers. 15. She will go to bed at 11 o’clock. 16. My mother prepared dinner yesterday.
13) Your uncle not is a teacher.
13. Your uncle is not a teacher. 14. Your sister weren't famous dancers. 15. She won't go to bed at 11 o'clock. 16. My mother didn't prepare dinner yesterday.