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