1. The exercise books (check) every day.

2. Listen! The birds (sing) in the forest so loudly.

3. We (not discuss) the film at 7 o'clock tomorrow.

4. He (not come) back till next winter.

5. You (like) living in Moscow?

6. I (fly) to New York by Friday.

7. Yesterday he (go) to bed at 8 o'clock.

8. I (speak) on the phone since morning.