I could fester you could fester she could fester we could fester you could fester they could fester
Form mit V-ing
I could be festering you could be festering she could be festering we could be festering you could be festering they could be festering
Perfekt
I could have festered you could have festered she could have festered we could have festered you could have festered they could have festered
Perfekt mit V-ing
I could have been festering you could have been festering she could have been festering we could have been festering you could have been festering they could have been festering
Negation
Einfache Form
I couldn't fester you couldn't fester she couldn't fester we couldn't fester you couldn't fester they couldn't fester
Form mit V-ing
I couldn't be festering you couldn't be festering she couldn't be festering we couldn't be festering you couldn't be festering they couldn't be festering
Perfekt
I couldn't have festered you couldn't have festered she couldn't have festered we couldn't have festered you couldn't have festered they couldn't have festered
Perfekt mit V-ing
I couldn't have been festering you couldn't have been festering she couldn't have been festering we couldn't have been festering you couldn't have been festering they couldn't have been festering
Fragende Form
Einfache Form
could I fester? could you fester? could she fester? could we fester? could you fester? could they fester?
Form mit V-ing
could I be festering? could you be festering? could she be festering? could we be festering? could you be festering? could they be festering?
Perfekt
could I have festered? could you have festered? could she have festered? could we have festered? could you have festered? could they have festered?
Perfekt mit V-ing
could I have been festering? could you have been festering? could she have been festering? could we have been festering? could you have been festering? could they have been festering?
Fragende Negation Form
Einfache Form
couldn't I fester? couldn't you fester? couldn't she fester? couldn't we fester? couldn't you fester? couldn't they fester?
Form mit V-ing
couldn't I be festering? couldn't you be festering? couldn't she be festering? couldn't we be festering? couldn't you be festering? couldn't they be festering?
Perfekt
couldn't I have festered? couldn't you have festered? couldn't she have festered? couldn't we have festered? couldn't you have festered? couldn't they have festered?
Perfekt mit V-ing
couldn't I have been festering? couldn't you have been festering? couldn't she have been festering? couldn't we have been festering? couldn't you have been festering? couldn't they have been festering?