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