Поставьте предложения в отрицательную и вопросительную форму
1 We are translating the article into Russian.
2. They are conducting an important experiment in the laboratory now.
3. He will be making his report at 2 o'clock tomorrow.
4. The designers were estimating the construction cost for a week.
5. The smdents are having their preliminary in English now.
6. The scientist is experimenting with new construction materials.
7. We were taking calculations for the new bridge during our summer practice.
8. The population of the city is steadily growing.
9. The workers will be unloading the trucks after lunch.
10. He is laying bricks very quickly and carefully