1. If the government had given more money to the factory, it wouldn't have closed.
2. If the government had built flood barriers, we wouldn't have had the floods last year.
3. If Dan had known how to swim, he wouldn't have drowned.
4. If Molly had listened to the weather forecast, she would have known it was going to rain.
5. If Greg had told me he was ill, I would have been more sympathetic.
6. If she had prepared for the exam, she would have passed it.
7. If Bill had seen the house, he wouldn't have bought it.