Viết lại các câu sau

Mọi người giúp mình mấy câu này với:
1. If he/not buy/pump, he won't/able/irrigate.
2. If they/not grow enough wheat, they will have/import it.
3. Unless/teacher speak/slowly, his students/can't understand/lesson.
4. If farmers/use/hybrid seeds, they would/larger crops.
5. If I/have/enough money, I would/bought/new house.
6. If/flood/not taken place, this field/produce/more wheat.
7. If we have/heavy rain, we won't have/irrigate.
8. If/farmer/have/enough machinery now, he/produce/more food with less labor.
9. If they/borrow/enough money, they/enlarged their farm.
10. Unless/I know Russian, I/not understand/news in Russian/the radio.

11. If he/not been ill, he/mend/fence.
12. If/epidemics/not/happen/people/sold more cattle.
13. If/country/had/tropical climate, it/raise bananas.
14. If she/not/practise English everyday, she/not/speak/it fluently.
15. If I/think/it over carefully last week, I/not/do/it.
16. Unless/take morning exercise, you/not/enjoy good health.
17. If you/not/rescue/boy yesterday, he/drown.
18. If I/have/free time now, I/be able/come/see him.
19. If there/have/a little more sugar, the cake/tasted better.
20. If/lecture/speak/louder now, the audiences/hear/him.

21. There would/been 4 extra tickets if you/not/come along.
22. If they/not/hurry/they could/miss/first part/the movie.
23. If he/had/dictionary, he/translate/text/Vietnamese/2 hours.
24. Tomorrow he/come/our party unless he/sick
25. If he/the Prime Minister, he/invest/more money in education.