1. Let us stay with you. 2. We believe that our parents come back early. 3. I would wanted you to drink a glass of milk. 4. I heard someone rings the doorbell. 5. We watched how the ducks were swimming in the river. 6. I want my brother entered the Moscow University 7. I noticed that Nicholas is asleep in his chair. 8. I heard Dr. Smith plays the violin. 9. We believe that spring will come soon.