I could perdure you could perdure he could perdure we could perdure you could perdure they could perdure
Form mit V-ing
I could be perduring you could be perduring he could be perduring we could be perduring you could be perduring they could be perduring
Perfekt
I could have perdured you could have perdured he could have perdured we could have perdured you could have perdured they could have perdured
Perfekt mit V-ing
I could have been perduring you could have been perduring he could have been perduring we could have been perduring you could have been perduring they could have been perduring
Negation
Einfache Form
I couldn't perdure you couldn't perdure he couldn't perdure we couldn't perdure you couldn't perdure they couldn't perdure
Form mit V-ing
I couldn't be perduring you couldn't be perduring he couldn't be perduring we couldn't be perduring you couldn't be perduring they couldn't be perduring
Perfekt
I couldn't have perdured you couldn't have perdured he couldn't have perdured we couldn't have perdured you couldn't have perdured they couldn't have perdured
Perfekt mit V-ing
I couldn't have been perduring you couldn't have been perduring he couldn't have been perduring we couldn't have been perduring you couldn't have been perduring they couldn't have been perduring
Fragende Form
Einfache Form
could I perdure? could you perdure? could he perdure? could we perdure? could you perdure? could they perdure?
Form mit V-ing
could I be perduring? could you be perduring? could he be perduring? could we be perduring? could you be perduring? could they be perduring?
Perfekt
could I have perdured? could you have perdured? could he have perdured? could we have perdured? could you have perdured? could they have perdured?
Perfekt mit V-ing
could I have been perduring? could you have been perduring? could he have been perduring? could we have been perduring? could you have been perduring? could they have been perduring?
Fragende Negation Form
Einfache Form
couldn't I perdure? couldn't you perdure? couldn't he perdure? couldn't we perdure? couldn't you perdure? couldn't they perdure?
Form mit V-ing
couldn't I be perduring? couldn't you be perduring? couldn't he be perduring? couldn't we be perduring? couldn't you be perduring? couldn't they be perduring?
Perfekt
couldn't I have perdured? couldn't you have perdured? couldn't he have perdured? couldn't we have perdured? couldn't you have perdured? couldn't they have perdured?
Perfekt mit V-ing
couldn't I have been perduring? couldn't you have been perduring? couldn't he have been perduring? couldn't we have been perduring? couldn't you have been perduring? couldn't they have been perduring?