=>
1. goes
2. will be
3. eats
4. won't go
5. don't water
6. will give
7. will meet
8. don't help
9. takes
10. go
11. is painted
12. will you do
13. studies/will be given
14. will make
15. pass
16. hurries
17. don't finish
18. will you buy
19. know/will visit
20. see/ask
Các câu trên thuộc dạng câu điều kiện 
Điều kiện loại 1 : If S + Vs/es, S + will/can/.....
unless = if...not