6. unless you made such a lot of noise, you wouldn't be punished 
7. we wish she were here today 
8. if they hadn't finished the project, the couldn't have got the higher promotion 
9. I watched the boys play football noisily 
10. he didn't let us tell anyone about that
11. unless she were here, she couldn't help us
12. unless it stops raining, we'll delay our trip