
Verbe irrégulier : know - knew - known
Traduction française : savoir - connaître 
Forme simple | Forme en V-ing | 
| I must know you must know she must know we must know you must know they must know  | I must be knowing you must be knowing she must be knowing we must be knowing you must be knowing they must be knowing  | 
Perfect | Perfect en V-ing | 
| I must have known you must have known she must have known we must have known you must have known they must have known  | I must have been knowing you must have been knowing she must have been knowing we must have been knowing you must have been knowing they must have been knowing  | 
Forme simple | Forme en V-ing | 
| I mustn't know you mustn't know she mustn't know we mustn't know you mustn't know they mustn't know  | I mustn't be knowing you mustn't be knowing she mustn't be knowing we mustn't be knowing you mustn't be knowing they mustn't be knowing  | 
Perfect | Perfect en V-ing | 
| I mustn't have known you mustn't have known she mustn't have known we mustn't have known you mustn't have known they mustn't have known  | I mustn't have been knowing you mustn't have been knowing she mustn't have been knowing we mustn't have been knowing you mustn't have been knowing they mustn't have been knowing  | 
Forme simple | Forme en V-ing | 
| must I know? must you know? must she know? must we know? must you know? must they know?  | must I be knowing? must you be knowing? must she be knowing? must we be knowing? must you be knowing? must they be knowing?  | 
Perfect | Perfect en V-ing | 
| must I have known? must you have known? must she have known? must we have known? must you have known? must they have known?  | must I have been knowing? must you have been knowing? must she have been knowing? must we have been knowing? must you have been knowing? must they have been knowing?  | 
Forme simple | Forme en V-ing | 
| mustn't I know? mustn't you know? mustn't she know? mustn't we know? mustn't you know? mustn't they know?  | mustn't I be knowing? mustn't you be knowing? mustn't she be knowing? mustn't we be knowing? mustn't you be knowing? mustn't they be knowing?  | 
Perfect | Perfect en V-ing | 
| mustn't I have known? mustn't you have known? mustn't she have known? mustn't we have known? mustn't you have known? mustn't they have known?  | mustn't I have been knowing? mustn't you have been knowing? mustn't she have been knowing? mustn't we have been knowing? mustn't you have been knowing? mustn't they have been knowing?  |