
Verbo regular: modify - modified - modified
Forma simple | Forma con V-ing | 
| I'd modify you'd modify he'd modify we'd modify you'd modify they'd modify  | I'd be modifying you'd be modifying he'd be modifying we'd be modifying you'd be modifying they'd be modifying  | 
Perfecto | Perfecto con V-ing | 
| I should've modified you should've modified he should've modified we should've modified you should've modified they should've modified  | I should've been modifying you should've been modifying he should've been modifying we should've been modifying you should've been modifying they should've been modifying  | 
Forma simple | Forma con V-ing | 
| I shouldn't modify you shouldn't modify he shouldn't modify we shouldn't modify you shouldn't modify they shouldn't modify  | I shouldn't be modifying you shouldn't be modifying he shouldn't be modifying we shouldn't be modifying you shouldn't be modifying they shouldn't be modifying  | 
Perfecto | Perfecto con V-ing | 
| I shouldn't have modified you shouldn't have modified he shouldn't have modified we shouldn't have modified you shouldn't have modified they shouldn't have modified  | I shouldn't have been modifying you shouldn't have been modifying he shouldn't have been modifying we shouldn't have been modifying you shouldn't have been modifying they shouldn't have been modifying  | 
Forma simple | Forma con V-ing | 
| should I modify? should you modify? should he modify? should we modify? should you modify? should they modify?  | should I be modifying? should you be modifying? should he be modifying? should we be modifying? should you be modifying? should they be modifying?  | 
Perfecto | Perfecto con V-ing | 
| should I have modified? should you have modified? should he have modified? should we have modified? should you have modified? should they have modified?  | should I have been modifying? should you have been modifying? should he have been modifying? should we have been modifying? should you have been modifying? should they have been modifying?  | 
Forma simple | Forma con V-ing | 
| shouldn't I modify? shouldn't you modify? shouldn't he modify? shouldn't we modify? shouldn't you modify? shouldn't they modify?  | shouldn't I be modifying? shouldn't you be modifying? shouldn't he be modifying? shouldn't we be modifying? shouldn't you be modifying? shouldn't they be modifying?  | 
Perfecto | Perfecto con V-ing | 
| shouldn't I have modified? shouldn't you have modified? shouldn't he have modified? shouldn't we have modified? shouldn't you have modified? shouldn't they have modified?  | shouldn't I have been modifying? shouldn't you have been modifying? shouldn't he have been modifying? shouldn't we have been modifying? shouldn't you have been modifying? shouldn't they have been modifying?  |