1. Although it's pouring with rain, we are going for walk in the park

2. Although she hands in the assignment before Tuesday, she will get very bad mark.

3. He decided to break up with Peter because he didn't spend much time with her.

4. Jennifer decided to break up with Peter because he didn't spend much time with her.

5. Danny bought a new car although his old car was still in good condition. 

6. I will be in great trouble if my mother knows my final test scores.

7. Janice will have finished the report by the time you receive the letter.

8. The concert will be canceled so no more tickets are sold.

9. Children are not allowed to enter this case unless they are accompanied by aldults.

10. You should bring think coats in case the temperature falls at night.

11. Although my sister doesn't like eating salad, she eats it regularly to keep fit.

12. I won't come to Jim's party unless he invites me.

13. Unless you tell me the truth, I can't help you.

14. When the fire fighters arrived, the fire had already been put out by the local residents.

15. You can leave early if you want to.