
Verbo regular: enable - enabled - enabled
Forma simple | Forma con V-ing | 
| I could enable you could enable he could enable we could enable you could enable they could enable  | I could be enabling you could be enabling he could be enabling we could be enabling you could be enabling they could be enabling  | 
Perfecto | Perfecto con V-ing | 
| I could have enabled you could have enabled he could have enabled we could have enabled you could have enabled they could have enabled  | I could have been enabling you could have been enabling he could have been enabling we could have been enabling you could have been enabling they could have been enabling  | 
Forma simple | Forma con V-ing | 
| I couldn't enable you couldn't enable he couldn't enable we couldn't enable you couldn't enable they couldn't enable  | I couldn't be enabling you couldn't be enabling he couldn't be enabling we couldn't be enabling you couldn't be enabling they couldn't be enabling  | 
Perfecto | Perfecto con V-ing | 
| I couldn't have enabled you couldn't have enabled he couldn't have enabled we couldn't have enabled you couldn't have enabled they couldn't have enabled  | I couldn't have been enabling you couldn't have been enabling he couldn't have been enabling we couldn't have been enabling you couldn't have been enabling they couldn't have been enabling  | 
Forma simple | Forma con V-ing | 
| could I enable? could you enable? could he enable? could we enable? could you enable? could they enable?  | could I be enabling? could you be enabling? could he be enabling? could we be enabling? could you be enabling? could they be enabling?  | 
Perfecto | Perfecto con V-ing | 
| could I have enabled? could you have enabled? could he have enabled? could we have enabled? could you have enabled? could they have enabled?  | could I have been enabling? could you have been enabling? could he have been enabling? could we have been enabling? could you have been enabling? could they have been enabling?  | 
Forma simple | Forma con V-ing | 
| couldn't I enable? couldn't you enable? couldn't he enable? couldn't we enable? couldn't you enable? couldn't they enable?  | couldn't I be enabling? couldn't you be enabling? couldn't he be enabling? couldn't we be enabling? couldn't you be enabling? couldn't they be enabling?  | 
Perfecto | Perfecto con V-ing | 
| couldn't I have enabled? couldn't you have enabled? couldn't he have enabled? couldn't we have enabled? couldn't you have enabled? couldn't they have enabled?  | couldn't I have been enabling? couldn't you have been enabling? couldn't he have been enabling? couldn't we have been enabling? couldn't you have been enabling? couldn't they have been enabling?  |