I could keep you could keep he could keep we could keep you could keep they could keep
Form mit V-ing
I could be keeping you could be keeping he could be keeping we could be keeping you could be keeping they could be keeping
Perfekt
I could have kept you could have kept he could have kept we could have kept you could have kept they could have kept
Perfekt mit V-ing
I could have been keeping you could have been keeping he could have been keeping we could have been keeping you could have been keeping they could have been keeping
Negation
Einfache Form
I couldn't keep you couldn't keep he couldn't keep we couldn't keep you couldn't keep they couldn't keep
Form mit V-ing
I couldn't be keeping you couldn't be keeping he couldn't be keeping we couldn't be keeping you couldn't be keeping they couldn't be keeping
Perfekt
I couldn't have kept you couldn't have kept he couldn't have kept we couldn't have kept you couldn't have kept they couldn't have kept
Perfekt mit V-ing
I couldn't have been keeping you couldn't have been keeping he couldn't have been keeping we couldn't have been keeping you couldn't have been keeping they couldn't have been keeping
Fragende Form
Einfache Form
could I keep? could you keep? could he keep? could we keep? could you keep? could they keep?
Form mit V-ing
could I be keeping? could you be keeping? could he be keeping? could we be keeping? could you be keeping? could they be keeping?
Perfekt
could I have kept? could you have kept? could he have kept? could we have kept? could you have kept? could they have kept?
Perfekt mit V-ing
could I have been keeping? could you have been keeping? could he have been keeping? could we have been keeping? could you have been keeping? could they have been keeping?
Fragende Negation Form
Einfache Form
couldn't I keep? couldn't you keep? couldn't he keep? couldn't we keep? couldn't you keep? couldn't they keep?
Form mit V-ing
couldn't I be keeping? couldn't you be keeping? couldn't he be keeping? couldn't we be keeping? couldn't you be keeping? couldn't they be keeping?
Perfekt
couldn't I have kept? couldn't you have kept? couldn't he have kept? couldn't we have kept? couldn't you have kept? couldn't they have kept?
Perfekt mit V-ing
couldn't I have been keeping? couldn't you have been keeping? couldn't he have been keeping? couldn't we have been keeping? couldn't you have been keeping? couldn't they have been keeping?