
Verbe régulier : muss -  mussed - mussed
Traduction française : friper - salir must aux modal devoir 
Forme simple | Forme en V-ing | 
| I'd muss you'd muss she'd muss we'd muss you'd muss they'd muss  | I'd be mussing you'd be mussing she'd be mussing we'd be mussing you'd be mussing they'd be mussing  | 
Perfect | Perfect en V-ing | 
| I should've mussed you should've mussed she should've mussed we should've mussed you should've mussed they should've mussed  | I should've been mussing you should've been mussing she should've been mussing we should've been mussing you should've been mussing they should've been mussing  | 
Forme simple | Forme en V-ing | 
| I shouldn't muss you shouldn't muss she shouldn't muss we shouldn't muss you shouldn't muss they shouldn't muss  | I shouldn't be mussing you shouldn't be mussing she shouldn't be mussing we shouldn't be mussing you shouldn't be mussing they shouldn't be mussing  | 
Perfect | Perfect en V-ing | 
| I shouldn't have mussed you shouldn't have mussed she shouldn't have mussed we shouldn't have mussed you shouldn't have mussed they shouldn't have mussed  | I shouldn't have been mussing you shouldn't have been mussing she shouldn't have been mussing we shouldn't have been mussing you shouldn't have been mussing they shouldn't have been mussing  | 
Forme simple | Forme en V-ing | 
| should I muss? should you muss? should she muss? should we muss? should you muss? should they muss?  | should I be mussing? should you be mussing? should she be mussing? should we be mussing? should you be mussing? should they be mussing?  | 
Perfect | Perfect en V-ing | 
| should I have mussed? should you have mussed? should she have mussed? should we have mussed? should you have mussed? should they have mussed?  | should I have been mussing? should you have been mussing? should she have been mussing? should we have been mussing? should you have been mussing? should they have been mussing?  | 
Forme simple | Forme en V-ing | 
| shouldn't I muss? shouldn't you muss? shouldn't she muss? shouldn't we muss? shouldn't you muss? shouldn't they muss?  | shouldn't I be mussing? shouldn't you be mussing? shouldn't she be mussing? shouldn't we be mussing? shouldn't you be mussing? shouldn't they be mussing?  | 
Perfect | Perfect en V-ing | 
| shouldn't I have mussed? shouldn't you have mussed? shouldn't she have mussed? shouldn't we have mussed? shouldn't you have mussed? shouldn't they have mussed?  | shouldn't I have been mussing? shouldn't you have been mussing? shouldn't she have been mussing? shouldn't we have been mussing? shouldn't you have been mussing? shouldn't they have been mussing?  |