1. If I work in summer, I will earn some money.
2. I will go to the sea if I pass all my exams in summer.
3. If I practice English more, I'll speak it better.
4. If we don't protect the environment, many species of insects will disappear.
5. I won't buy my mum a present if I don't save some money.
6. Where will you go if it is windy tomorrow?
7. If our party win, we will spend more money on higher education.
8. Ben will help you with the essay if he completes his homework.
9. If the Mayor loses the election, he will resign.
10. If the ecological situation doesn't improve, we will lose many rare plants and animals.
