1. I can't sleep late anymore since I went back to school

2. I know you can win this tournament because I believe in you.

3. Before the semester began, we have to pay our tuition.

4. While we were riding bikes, we saw a police chasing a thief.

5. I will write off your debt as soon as you can pay me back.

6. I will help you since I value your friendship

7. I will call your mom unless you stop doing that right now.

8. I am writing my final thesis even though I have a couple more semesters

9. When the child went to the dentist, we saw his parents brought him unwillingly.

10. Beatrice, who always sits at the same table at Starbucks, is my fellow classmate.