I could fasten you could fasten he could fasten we could fasten you could fasten they could fasten
Form mit V-ing
I could be fastening you could be fastening he could be fastening we could be fastening you could be fastening they could be fastening
Perfekt
I could have fastened you could have fastened he could have fastened we could have fastened you could have fastened they could have fastened
Perfekt mit V-ing
I could have been fastening you could have been fastening he could have been fastening we could have been fastening you could have been fastening they could have been fastening
Negation
Einfache Form
I could not fasten you could not fasten he could not fasten we could not fasten you could not fasten they could not fasten
Form mit V-ing
I could not be fastening you could not be fastening he could not be fastening we could not be fastening you could not be fastening they could not be fastening
Perfekt
I could not have fastened you could not have fastened he could not have fastened we could not have fastened you could not have fastened they could not have fastened
Perfekt mit V-ing
I could not have been fastening you could not have been fastening he could not have been fastening we could not have been fastening you could not have been fastening they could not have been fastening
Fragende Form
Einfache Form
could I fasten? could you fasten? could he fasten? could we fasten? could you fasten? could they fasten?
Form mit V-ing
could I be fastening? could you be fastening? could he be fastening? could we be fastening? could you be fastening? could they be fastening?
Perfekt
could I have fastened? could you have fastened? could he have fastened? could we have fastened? could you have fastened? could they have fastened?
Perfekt mit V-ing
could I have been fastening? could you have been fastening? could he have been fastening? could we have been fastening? could you have been fastening? could they have been fastening?
Fragende Negation Form
Einfache Form
could I not fasten? could you not fasten? could he not fasten? could we not fasten? could you not fasten? could they not fasten?
Form mit V-ing
could I not be fastening? could you not be fastening? could he not be fastening? could we not be fastening? could you not be fastening? could they not be fastening?
Perfekt
could I not have fastened? could you not have fastened? could he not have fastened? could we not have fastened? could you not have fastened? could they not have fastened?
Perfekt mit V-ing
could I not have been fastening? could you not have been fastening? could he not have been fastening? could we not have been fastening? could you not have been fastening? could they not have been fastening?