1. If you're a vegetarian, you shouldn't eat meat
2. If you live in a cold country, you won't like hot weather
3. If you're a teacher, you should work very hard
4. If you do a lot of exercise, you can stay fit and healthy
5. If you're a mechanic, you will understand engines
6. If you read newspapers, you will know what's happening in the world
7. If Rita fails her driving test, she can take it again
8. If Liverpool loses, Terry will be upset
9. If the party goes on all night, no one will want to do any work tomorrow
10. If Alice misses the train, she can get the next one
11. Should she come, tell her to wait for me
12. Unless I come here early, I will miss the bus
13. Unless he does that, he will get bonus
14. Unless she waters these trees, they will die
15. If you don't get a visa, you can't visit Paris