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1. Unless you have breakfast, you will be hungry.
2. If you don't bring your umbrella, you'll get wet.
3. Had you driven carelessly, you would have had an accident.
4. Unless my mother cooks, we will eat outside.
5. Should Mary stay up late, she will be tired.
6. If my teacher had come, we wouldn't have gone home.
7. If she spoke English, she would apply for the job.
8. If I had had a typewriter, I could have typed it myself.
9. If John didn't eat so many chips, he weren't fat.
10. If I were a rich businessman, I could afford to buy an expensive car.
11. Were I to know his address, I could write to him.
12. If you got a visa, you could visit the United States.
13. If Nick had a map, he could find the way.
14. Unless our parents live so far away, we will visit them very often.
15. Had I not helped her, she couldn't have finished her homework.
16. If you eat so much after 7 p.m, you'll get fat.