I could document you could document he could document we could document you could document they could document
Form mit V-ing
I could be documenting you could be documenting he could be documenting we could be documenting you could be documenting they could be documenting
Perfekt
I could have documented you could have documented he could have documented we could have documented you could have documented they could have documented
Perfekt mit V-ing
I could have been documenting you could have been documenting he could have been documenting we could have been documenting you could have been documenting they could have been documenting
Negation
Einfache Form
I couldn't document you couldn't document he couldn't document we couldn't document you couldn't document they couldn't document
Form mit V-ing
I couldn't be documenting you couldn't be documenting he couldn't be documenting we couldn't be documenting you couldn't be documenting they couldn't be documenting
Perfekt
I couldn't have documented you couldn't have documented he couldn't have documented we couldn't have documented you couldn't have documented they couldn't have documented
Perfekt mit V-ing
I couldn't have been documenting you couldn't have been documenting he couldn't have been documenting we couldn't have been documenting you couldn't have been documenting they couldn't have been documenting
Fragende Form
Einfache Form
could I document? could you document? could he document? could we document? could you document? could they document?
Form mit V-ing
could I be documenting? could you be documenting? could he be documenting? could we be documenting? could you be documenting? could they be documenting?
Perfekt
could I have documented? could you have documented? could he have documented? could we have documented? could you have documented? could they have documented?
Perfekt mit V-ing
could I have been documenting? could you have been documenting? could he have been documenting? could we have been documenting? could you have been documenting? could they have been documenting?
Fragende Negation Form
Einfache Form
couldn't I document? couldn't you document? couldn't he document? couldn't we document? couldn't you document? couldn't they document?
Form mit V-ing
couldn't I be documenting? couldn't you be documenting? couldn't he be documenting? couldn't we be documenting? couldn't you be documenting? couldn't they be documenting?
Perfekt
couldn't I have documented? couldn't you have documented? couldn't he have documented? couldn't we have documented? couldn't you have documented? couldn't they have documented?
Perfekt mit V-ing
couldn't I have been documenting? couldn't you have been documenting? couldn't he have been documenting? couldn't we have been documenting? couldn't you have been documenting? couldn't they have been documenting?