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1. You shouldn't eat fish if it isn't fresh.
2. If you don't kick the ball very hard, it won't reach the goal.
3. If it isn't cold, we'll have the party outdoors.
4. If you don't read the text thoroughly, you won't understand it.
5. If you don't dress properly, you won't go to the party with me.
6. If you studied hard, you would avoid failing your test.
7. If I had enough money, I could buy these shoes.
8. If I were rich, I would live in a castle.
9. If I knew the answer, I could tell you.
10. If I had the time, I would take more exercise.
11. If it weren't too noisy, I would open the window.
12. If I found my glasses, I could read the paper.