
Verbe régulier : crab -  crabbed - crabbed
Traduction française : maugréer - rouspéter 
Forme simple | Forme en V-ing | 
| I must crab you must crab she must crab we must crab you must crab they must crab  | I must be crabbing you must be crabbing she must be crabbing we must be crabbing you must be crabbing they must be crabbing  | 
Perfect | Perfect en V-ing | 
| I must have crabbed you must have crabbed she must have crabbed we must have crabbed you must have crabbed they must have crabbed  | I must have been crabbing you must have been crabbing she must have been crabbing we must have been crabbing you must have been crabbing they must have been crabbing  | 
Forme simple | Forme en V-ing | 
| I mustn't crab you mustn't crab she mustn't crab we mustn't crab you mustn't crab they mustn't crab  | I mustn't be crabbing you mustn't be crabbing she mustn't be crabbing we mustn't be crabbing you mustn't be crabbing they mustn't be crabbing  | 
Perfect | Perfect en V-ing | 
| I mustn't have crabbed you mustn't have crabbed she mustn't have crabbed we mustn't have crabbed you mustn't have crabbed they mustn't have crabbed  | I mustn't have been crabbing you mustn't have been crabbing she mustn't have been crabbing we mustn't have been crabbing you mustn't have been crabbing they mustn't have been crabbing  | 
Forme simple | Forme en V-ing | 
| must I crab? must you crab? must she crab? must we crab? must you crab? must they crab?  | must I be crabbing? must you be crabbing? must she be crabbing? must we be crabbing? must you be crabbing? must they be crabbing?  | 
Perfect | Perfect en V-ing | 
| must I have crabbed? must you have crabbed? must she have crabbed? must we have crabbed? must you have crabbed? must they have crabbed?  | must I have been crabbing? must you have been crabbing? must she have been crabbing? must we have been crabbing? must you have been crabbing? must they have been crabbing?  | 
Forme simple | Forme en V-ing | 
| mustn't I crab? mustn't you crab? mustn't she crab? mustn't we crab? mustn't you crab? mustn't they crab?  | mustn't I be crabbing? mustn't you be crabbing? mustn't she be crabbing? mustn't we be crabbing? mustn't you be crabbing? mustn't they be crabbing?  | 
Perfect | Perfect en V-ing | 
| mustn't I have crabbed? mustn't you have crabbed? mustn't she have crabbed? mustn't we have crabbed? mustn't you have crabbed? mustn't they have crabbed?  | mustn't I have been crabbing? mustn't you have been crabbing? mustn't she have been crabbing? mustn't we have been crabbing? mustn't you have been crabbing? mustn't they have been crabbing?  |