1. If you have hepled them, they would have finished this work by 5 o'clock.
2. I wouldn't do this exercise if I were you
3. If you see Ann, ask her to phone me
4. My brother would go to the concert if he had money
5. We will go for a walk if the weather is fine
6. If I were you, i would go to the docotor.
7. What would you do if it was snowing?
8. If u had a lot of money, i would buy a new car.
9.I will be happy if i watch this movie
10. What would you say if you got an invitation to a birthday?
11. If he had an interest to the English, he would learn to read english newspapers.
12. If he makes a good report, he will be invited to the conference.
13. If I know you address, i will write you a letter.
14. The flowers will die if you don't water them.
15. If you didn't go to sleep so late every night, you wouldn't be so exaushted.