Укажи слово-маркер и поставь глагол в нужную форму:

1. 1(not to read) books in the morning.
2. 1(to write) an exercise now.
3. At this time yesterday I (to sit) at the theatre.
4. He (to come) back to St. Petersburg on the 15th of January.
5. I already (to do) my homework. Now I can go for a walk.
6. 1(to do) my homework yesterday.
7. When I (to come) home, mother already (to cook) dinner.
8. When father (to return) from work, we already (to do) our homework.
9. This theatre... (to build) over 100 years ago.
10. Many houses ... (to build) in our town every year.​