Помогите с английским!

Употребите глаголы данные в скобках в Present,Past,или Future Continuous.

1)Two months ago the company (to set up) new sales offices in France and Singapore.

2)When they (to modernise) railways and ( to build) new?

3)The company (to suffer) a serious fall in the demand for their products.

4)The productivity of labour (not to increase).

5)The demand for this type of goods ( to increase) steadily.

6) Which project they working on (to work)?

7) The living standards of the population ( to improve).

White the fire brigade ( to fight) the fire, the employees (to try) to save some of their documents.

9)This time next year they ( to negotiate) with Turkey.

10) The prices (not to increase) during that period.