Please use short forms e.g. haven't instead of have not in negative statements and use long forms in positive statements e.g. I am instead of I'm.

1. If you (lend) me some money, I'll help you with the washing-up.
2. If you help me with this project, I (take) you to the most expensive restaurant in this city.
3. If the weather (be) good, we'll go to to the park.
4. If it (stop) raining, you'll be able to go out.
5. If it (keep) snowing, we won't be able to get to school.
6. I won't visit her if she (not apologise) to me.
7. If you pass the exam, we (buy) you a new bike.
8. I'll give you my book if you (give) me yours.
9. If you go to your mother, I (stay) at home.
10. I (have) a shower if you don't mind.
11. If you drink this coke, you (get) a cold.
12. If she (win), she'll be the youngest winner of this competition.
13. It (not work) if you don't turn it on.
14. If you clear your room, I (help) you with your homework.
15. I (not go) home if you don't give me my money back.​