I could scan you could scan he could scan we could scan you could scan they could scan
Form mit V-ing
I could be scanning you could be scanning he could be scanning we could be scanning you could be scanning they could be scanning
Perfekt
I could have scanned you could have scanned he could have scanned we could have scanned you could have scanned they could have scanned
Perfekt mit V-ing
I could have been scanning you could have been scanning he could have been scanning we could have been scanning you could have been scanning they could have been scanning
Negation
Einfache Form
I couldn't scan you couldn't scan he couldn't scan we couldn't scan you couldn't scan they couldn't scan
Form mit V-ing
I couldn't be scanning you couldn't be scanning he couldn't be scanning we couldn't be scanning you couldn't be scanning they couldn't be scanning
Perfekt
I couldn't have scanned you couldn't have scanned he couldn't have scanned we couldn't have scanned you couldn't have scanned they couldn't have scanned
Perfekt mit V-ing
I couldn't have been scanning you couldn't have been scanning he couldn't have been scanning we couldn't have been scanning you couldn't have been scanning they couldn't have been scanning
Fragende Form
Einfache Form
could I scan? could you scan? could he scan? could we scan? could you scan? could they scan?
Form mit V-ing
could I be scanning? could you be scanning? could he be scanning? could we be scanning? could you be scanning? could they be scanning?
Perfekt
could I have scanned? could you have scanned? could he have scanned? could we have scanned? could you have scanned? could they have scanned?
Perfekt mit V-ing
could I have been scanning? could you have been scanning? could he have been scanning? could we have been scanning? could you have been scanning? could they have been scanning?
Fragende Negation Form
Einfache Form
couldn't I scan? couldn't you scan? couldn't he scan? couldn't we scan? couldn't you scan? couldn't they scan?
Form mit V-ing
couldn't I be scanning? couldn't you be scanning? couldn't he be scanning? couldn't we be scanning? couldn't you be scanning? couldn't they be scanning?
Perfekt
couldn't I have scanned? couldn't you have scanned? couldn't he have scanned? couldn't we have scanned? couldn't you have scanned? couldn't they have scanned?
Perfekt mit V-ing
couldn't I have been scanning? couldn't you have been scanning? couldn't he have been scanning? couldn't we have been scanning? couldn't you have been scanning? couldn't they have been scanning?