1. If it will rain in Sunday, I won't play in tennis.
2. If she had shorter nose, she would be pretty.
3. If I had much money, I would see the world.
4. What would you do, if saw a fight in the street?
5. Ice will melt, if to warm up it.
6. If I was in England, I would go to Trafalgar street.
7. If he would come in time, we would meet each other. But he was late.
8. If don't water the flowers, they will wither.
9. If you had some time, I would show my pictures. I will show them you in the next time.
10-12 лень делать, потом сделаю.