
Verbe régulier : growl -  growled - growled
Traduction française : grogner - grommeler 
Forme simple | Forme en V-ing | 
| I could growl you could growl he could growl we could growl you could growl they could growl  | I could be growling you could be growling he could be growling we could be growling you could be growling they could be growling  | 
Perfect | Perfect en V-ing | 
| I could have growled you could have growled he could have growled we could have growled you could have growled they could have growled  | I could have been growling you could have been growling he could have been growling we could have been growling you could have been growling they could have been growling  | 
Forme simple | Forme en V-ing | 
| I couldn't growl you couldn't growl he couldn't growl we couldn't growl you couldn't growl they couldn't growl  | I couldn't be growling you couldn't be growling he couldn't be growling we couldn't be growling you couldn't be growling they couldn't be growling  | 
Perfect | Perfect en V-ing | 
| I couldn't have growled you couldn't have growled he couldn't have growled we couldn't have growled you couldn't have growled they couldn't have growled  | I couldn't have been growling you couldn't have been growling he couldn't have been growling we couldn't have been growling you couldn't have been growling they couldn't have been growling  | 
Forme simple | Forme en V-ing | 
| could I growl? could you growl? could he growl? could we growl? could you growl? could they growl?  | could I be growling? could you be growling? could he be growling? could we be growling? could you be growling? could they be growling?  | 
Perfect | Perfect en V-ing | 
| could I have growled? could you have growled? could he have growled? could we have growled? could you have growled? could they have growled?  | could I have been growling? could you have been growling? could he have been growling? could we have been growling? could you have been growling? could they have been growling?  | 
Forme simple | Forme en V-ing | 
| couldn't I growl? couldn't you growl? couldn't he growl? couldn't we growl? couldn't you growl? couldn't they growl?  | couldn't I be growling? couldn't you be growling? couldn't he be growling? couldn't we be growling? couldn't you be growling? couldn't they be growling?  | 
Perfect | Perfect en V-ing | 
| couldn't I have growled? couldn't you have growled? couldn't he have growled? couldn't we have growled? couldn't you have growled? couldn't they have growled?  | couldn't I have been growling? couldn't you have been growling? couldn't he have been growling? couldn't we have been growling? couldn't you have been growling? couldn't they have been growling?  |