Преобразуйте предложение в отрицание:
1. I (had flown) to Rome before last Saturday.
2. I (have had) any problems with this exercise.
3. We (will have supplied) 1,000 items to you by the 10th of October.
4. They (have shipped) a few goods to Novgorod this week.
5. She (has done) 3 market researches this month.
6. He (had writen) the report yesterday before noon.
7. I (will have done) the research in two months time.
8. They (had interviewed) 20 candidates yesterday by 2 p.m.
9. He (has searched) many sites for job vacancies.