
Verbo regular: clatter - clattered - clattered
Forma simple | Forma con V-ing | 
| I must clatter you must clatter he must clatter we must clatter you must clatter they must clatter  | I must be clattering you must be clattering he must be clattering we must be clattering you must be clattering they must be clattering  | 
Perfecto | Perfecto con V-ing | 
| I must have clattered you must have clattered he must have clattered we must have clattered you must have clattered they must have clattered  | I must have been clattering you must have been clattering he must have been clattering we must have been clattering you must have been clattering they must have been clattering  | 
Forma simple | Forma con V-ing | 
| I mustn't clatter you mustn't clatter he mustn't clatter we mustn't clatter you mustn't clatter they mustn't clatter  | I mustn't be clattering you mustn't be clattering he mustn't be clattering we mustn't be clattering you mustn't be clattering they mustn't be clattering  | 
Perfecto | Perfecto con V-ing | 
| I mustn't have clattered you mustn't have clattered he mustn't have clattered we mustn't have clattered you mustn't have clattered they mustn't have clattered  | I mustn't have been clattering you mustn't have been clattering he mustn't have been clattering we mustn't have been clattering you mustn't have been clattering they mustn't have been clattering  | 
Forma simple | Forma con V-ing | 
| must I clatter? must you clatter? must he clatter? must we clatter? must you clatter? must they clatter?  | must I be clattering? must you be clattering? must he be clattering? must we be clattering? must you be clattering? must they be clattering?  | 
Perfecto | Perfecto con V-ing | 
| must I have clattered? must you have clattered? must he have clattered? must we have clattered? must you have clattered? must they have clattered?  | must I have been clattering? must you have been clattering? must he have been clattering? must we have been clattering? must you have been clattering? must they have been clattering?  | 
Forma simple | Forma con V-ing | 
| mustn't I clatter? mustn't you clatter? mustn't he clatter? mustn't we clatter? mustn't you clatter? mustn't they clatter?  | mustn't I be clattering? mustn't you be clattering? mustn't he be clattering? mustn't we be clattering? mustn't you be clattering? mustn't they be clattering?  | 
Perfecto | Perfecto con V-ing | 
| mustn't I have clattered? mustn't you have clattered? mustn't he have clattered? mustn't we have clattered? mustn't you have clattered? mustn't they have clattered?  | mustn't I have been clattering? mustn't you have been clattering? mustn't he have been clattering? mustn't we have been clattering? mustn't you have been clattering? mustn't they have been clattering?  |