Сделайте предложения отрицательными.

Решение:

Для того чтобы сделать предложение отрицательным, нужно использовать вспомогательный глагол 'did' и частицу 'not' перед смысловым глаголом в его начальной форме.

1. He did not watch TV.
2. He did not see the film.
3. They did not play tennis.
4. She did not study Italian.
5. She did not teach Italian.
6. She did not speak Italian.
7. They did not have a party.
8. He did not leave a message.
9. She did not send an email.
10. They did not do the exercise.
11. He was not alone.
12. He did not carry two boxes.
13. They did not enjoy the film.
14. I did not mop the floor.
15. She did not have a rest.
16. It did not rain on Monday.
17. I did not arrive on time.
18. They did not plan the trip.
19. You did not wait for me.
20. He did not change his clothes.

Ответ: Все предложения преобразованы в отрицательную форму с использованием 'did not' или 'was not'.