1) If he had passed his exams, he might have gone to university.
2) If he had realized what was happening, he would have run away.
3) If I had heard what she said, I would have been very angry.
4) If you had locked the door properly, they wouldn't have get in
5) If you had followed the instructions, It wouln't have happened.
6) If she had found out, she would have been furious.
7) If we hadn't looked a room, we would have had nowhere to stay.
8) If we had been going any faster, someone could have been killed.
9) If he hadn't been so tired, he wouldn't have gone home at lunchtime.