V. сделайте следующие предложения утвердительными: 1. i did not write a letter to my mother last week. 2. petrov did not study english at school. 3. ann did not go to the reading-room yesterday. 4. the third-year students did not build a farm last year. 5. kate was not at home yesterday. 6. these students did not work in the fields last autumn. 7. he did not help me.

1. I wrote a letter to my mother last week.
2. Petrov studіed English at school.
3. Ann went to the reading-room yesterday.
4. The third-year students built a farm last year.
5. Kate was at home yesterday.
6. These students worked in the fields last autumn.
7. He helped me.