Complete with the correct verb form.
    
1. 
  If rich countries 
 (be / not) so greedy, the situation 
 (be) much better.
  
2. 
  If she 
 (work) for Guyana's Environmental Protection Agency, she 
 (feel) a lot more involved.
3.  
  If we 
 (have) more wisdom, we 
 (keep) more forests, like Guyana.
4. 
  If you 
 (save) money, you 
 (be able) to travel to the Caribbean.
  
  - Conditional: it's possible if…
 If... + simple past, … would + BV
- Past conditional: impossible unless you change the past
 If… + HAD V-en, ... would + HAVE V-en