
Verbe irrégulier : grind - ground - ground
Traduction française : moudre 
Forme simple | Forme en V-ing | 
| I must grind you must grind he must grind we must grind you must grind they must grind  | I must be grinding you must be grinding he must be grinding we must be grinding you must be grinding they must be grinding  | 
Perfect | Perfect en V-ing | 
| I must have ground you must have ground he must have ground we must have ground you must have ground they must have ground  | I must have been grinding you must have been grinding he must have been grinding we must have been grinding you must have been grinding they must have been grinding  | 
Forme simple | Forme en V-ing | 
| I mustn't grind you mustn't grind he mustn't grind we mustn't grind you mustn't grind they mustn't grind  | I mustn't be grinding you mustn't be grinding he mustn't be grinding we mustn't be grinding you mustn't be grinding they mustn't be grinding  | 
Perfect | Perfect en V-ing | 
| I mustn't have ground you mustn't have ground he mustn't have ground we mustn't have ground you mustn't have ground they mustn't have ground  | I mustn't have been grinding you mustn't have been grinding he mustn't have been grinding we mustn't have been grinding you mustn't have been grinding they mustn't have been grinding  | 
Forme simple | Forme en V-ing | 
| must I grind? must you grind? must he grind? must we grind? must you grind? must they grind?  | must I be grinding? must you be grinding? must he be grinding? must we be grinding? must you be grinding? must they be grinding?  | 
Perfect | Perfect en V-ing | 
| must I have ground? must you have ground? must he have ground? must we have ground? must you have ground? must they have ground?  | must I have been grinding? must you have been grinding? must he have been grinding? must we have been grinding? must you have been grinding? must they have been grinding?  | 
Forme simple | Forme en V-ing | 
| mustn't I grind? mustn't you grind? mustn't he grind? mustn't we grind? mustn't you grind? mustn't they grind?  | mustn't I be grinding? mustn't you be grinding? mustn't he be grinding? mustn't we be grinding? mustn't you be grinding? mustn't they be grinding?  | 
Perfect | Perfect en V-ing | 
| mustn't I have ground? mustn't you have ground? mustn't he have ground? mustn't we have ground? mustn't you have ground? mustn't they have ground?  | mustn't I have been grinding? mustn't you have been grinding? mustn't he have been grinding? mustn't we have been grinding? mustn't you have been grinding? mustn't they have been grinding?  |