1, If she had completed her higher education, she wouldn’t have made her parents so sad.

2, If teenagers were not greatly influenced by their bad peers in fact, they would not cause wrong things.

3, Had he not failed the exam, his parents would not have been disappointed.

4, Should I not have a date with my best friends, I can have a picnic with you this week.

5, Provided that the price of petrol is not raised, everything will not drop.

6, If the patients had not been treated with new vaccin, all of them would not have shown better signs of recovery.

7, Unless candidates do not want to make a good impression on job interviews, they should dress formally.

8, Unless she wants to make her studying be in bad conditions, she shouldn’t play games too much.