1. If he hurried, he wouldn't miss the train
2. If my brother left the car keys, I could pick him up at the station.
3. If it didn't rain, we would go.
4. If we had enough money, we would go on holiday
5. If we had a map, we wouldn't get lost
6. If he took some exercise, he wouldn't be unhealthy
7. If you don't keep silent, you'll wake the baby uo
8. If you don't leave immediately, I will call a policeman
9. If I knew her number, I would ring her up
10. If you don't go right now, you will be late for the train