Answer:If she had studied harder, she would have passed the exam.If we had left earlier, we would have avoided the traffic jam.He would have called you if he had known you were in town.If they hadn't forgotten the tickets, we would have enjoyed the concert.I would have gone to the party if I hadn't been so tired.If the team had practiced more, they would have won the championship.If you had told me about the issue, I would have helped you with it.She would have understood the instructions if she had paid more attention.If we had brought a map, we would have found the location easily.If he had driven more carefully, he would not have crashed his car.