I could prolong you could prolong she could prolong we could prolong you could prolong they could prolong
Form mit V-ing
I could be prolonging you could be prolonging she could be prolonging we could be prolonging you could be prolonging they could be prolonging
Perfekt
I could have prolonged you could have prolonged she could have prolonged we could have prolonged you could have prolonged they could have prolonged
Perfekt mit V-ing
I could have been prolonging you could have been prolonging she could have been prolonging we could have been prolonging you could have been prolonging they could have been prolonging
Negation
Einfache Form
I couldn't prolong you couldn't prolong she couldn't prolong we couldn't prolong you couldn't prolong they couldn't prolong
Form mit V-ing
I couldn't be prolonging you couldn't be prolonging she couldn't be prolonging we couldn't be prolonging you couldn't be prolonging they couldn't be prolonging
Perfekt
I couldn't have prolonged you couldn't have prolonged she couldn't have prolonged we couldn't have prolonged you couldn't have prolonged they couldn't have prolonged
Perfekt mit V-ing
I couldn't have been prolonging you couldn't have been prolonging she couldn't have been prolonging we couldn't have been prolonging you couldn't have been prolonging they couldn't have been prolonging
Fragende Form
Einfache Form
could I prolong? could you prolong? could she prolong? could we prolong? could you prolong? could they prolong?
Form mit V-ing
could I be prolonging? could you be prolonging? could she be prolonging? could we be prolonging? could you be prolonging? could they be prolonging?
Perfekt
could I have prolonged? could you have prolonged? could she have prolonged? could we have prolonged? could you have prolonged? could they have prolonged?
Perfekt mit V-ing
could I have been prolonging? could you have been prolonging? could she have been prolonging? could we have been prolonging? could you have been prolonging? could they have been prolonging?
Fragende Negation Form
Einfache Form
couldn't I prolong? couldn't you prolong? couldn't she prolong? couldn't we prolong? couldn't you prolong? couldn't they prolong?
Form mit V-ing
couldn't I be prolonging? couldn't you be prolonging? couldn't she be prolonging? couldn't we be prolonging? couldn't you be prolonging? couldn't they be prolonging?
Perfekt
couldn't I have prolonged? couldn't you have prolonged? couldn't she have prolonged? couldn't we have prolonged? couldn't you have prolonged? couldn't they have prolonged?
Perfekt mit V-ing
couldn't I have been prolonging? couldn't you have been prolonging? couldn't she have been prolonging? couldn't we have been prolonging? couldn't you have been prolonging? couldn't they have been prolonging?