Вставьте, пожалуйста, глаголы в нужной форме.
1. Elena is saying that she ___ (to go) to the country every weekend.
2. She has just told us that they ___ (already, to build) the recycling plant.
3. I remember that you ___ (to promise) to send the invitations by 12 o'clock.
4. We thought they ___ (must) use new farming technologies.
5. Everyone knew that the conference ___ (to start) next Monday
6. They felt sure they ___ (can) suggest an excellent solution to this problem.
7. From the latest reports we have learned that around 40000 African elephants ___ (to be) killed each year
8. The manager didn't know that his boss ___ (to go) on business trip.
9. The seeds grew well because the farmers ___ (to dig) the soil well
10. Experts said that the effect of global warming ___ (to increase) desert area
and ___ (to raise) sea levels.