Conditional sentences напишите 5 пример пожалуйста

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1. If animals don`t drink water, they die.2. If we all plant trees, forests won`t disappear.3. If we all used bicycles, there wouldn`t be so much pollution.4. If all governments had banned hunting, the tiger wouldn`t have become an endangered species.5. If I had a good voice, I would become a singer