Jawaban:

1. If I had known it earlier, I wouldn't have put it in the soup.

2. If Sarah had studied harder, she wouldn't have failed the test.

3. Kent would have attended the party if he had been invited.

4. If my sister had been more careful, she wouldn't have had an accident.

5. If my teacher had dismissed the class earlier, we might have gone home sooner.

6. If I had gotten a gold medal, I would have been very happy.

7. If he had met Susan last week, he would have given back the book to her.

8. If you had talked to me, I would have listened to you.

9. She might have gone crazy if you had told her the problem.

10. My dad might have tried to fix my computer if I hadn't bought the new one.