I could err you could err he could err we could err you could err they could err
Form mit V-ing
I could be erring you could be erring he could be erring we could be erring you could be erring they could be erring
Perfekt
I could have erred you could have erred he could have erred we could have erred you could have erred they could have erred
Perfekt mit V-ing
I could have been erring you could have been erring he could have been erring we could have been erring you could have been erring they could have been erring
Negation
Einfache Form
I couldn't err you couldn't err he couldn't err we couldn't err you couldn't err they couldn't err
Form mit V-ing
I couldn't be erring you couldn't be erring he couldn't be erring we couldn't be erring you couldn't be erring they couldn't be erring
Perfekt
I couldn't have erred you couldn't have erred he couldn't have erred we couldn't have erred you couldn't have erred they couldn't have erred
Perfekt mit V-ing
I couldn't have been erring you couldn't have been erring he couldn't have been erring we couldn't have been erring you couldn't have been erring they couldn't have been erring
Fragende Form
Einfache Form
could I err? could you err? could he err? could we err? could you err? could they err?
Form mit V-ing
could I be erring? could you be erring? could he be erring? could we be erring? could you be erring? could they be erring?
Perfekt
could I have erred? could you have erred? could he have erred? could we have erred? could you have erred? could they have erred?
Perfekt mit V-ing
could I have been erring? could you have been erring? could he have been erring? could we have been erring? could you have been erring? could they have been erring?
Fragende Negation Form
Einfache Form
couldn't I err? couldn't you err? couldn't he err? couldn't we err? couldn't you err? couldn't they err?
Form mit V-ing
couldn't I be erring? couldn't you be erring? couldn't he be erring? couldn't we be erring? couldn't you be erring? couldn't they be erring?
Perfekt
couldn't I have erred? couldn't you have erred? couldn't he have erred? couldn't we have erred? couldn't you have erred? couldn't they have erred?
Perfekt mit V-ing
couldn't I have been erring? couldn't you have been erring? couldn't he have been erring? couldn't we have been erring? couldn't you have been erring? couldn't they have been erring?