I could calculate you could calculate he could calculate we could calculate you could calculate they could calculate
Form mit V-ing
I could be calculating you could be calculating he could be calculating we could be calculating you could be calculating they could be calculating
Perfekt
I could have calculated you could have calculated he could have calculated we could have calculated you could have calculated they could have calculated
Perfekt mit V-ing
I could have been calculating you could have been calculating he could have been calculating we could have been calculating you could have been calculating they could have been calculating
Negation
Einfache Form
I couldn't calculate you couldn't calculate he couldn't calculate we couldn't calculate you couldn't calculate they couldn't calculate
Form mit V-ing
I couldn't be calculating you couldn't be calculating he couldn't be calculating we couldn't be calculating you couldn't be calculating they couldn't be calculating
Perfekt
I couldn't have calculated you couldn't have calculated he couldn't have calculated we couldn't have calculated you couldn't have calculated they couldn't have calculated
Perfekt mit V-ing
I couldn't have been calculating you couldn't have been calculating he couldn't have been calculating we couldn't have been calculating you couldn't have been calculating they couldn't have been calculating
Fragende Form
Einfache Form
could I calculate? could you calculate? could he calculate? could we calculate? could you calculate? could they calculate?
Form mit V-ing
could I be calculating? could you be calculating? could he be calculating? could we be calculating? could you be calculating? could they be calculating?
Perfekt
could I have calculated? could you have calculated? could he have calculated? could we have calculated? could you have calculated? could they have calculated?
Perfekt mit V-ing
could I have been calculating? could you have been calculating? could he have been calculating? could we have been calculating? could you have been calculating? could they have been calculating?
Fragende Negation Form
Einfache Form
couldn't I calculate? couldn't you calculate? couldn't he calculate? couldn't we calculate? couldn't you calculate? couldn't they calculate?
Form mit V-ing
couldn't I be calculating? couldn't you be calculating? couldn't he be calculating? couldn't we be calculating? couldn't you be calculating? couldn't they be calculating?
Perfekt
couldn't I have calculated? couldn't you have calculated? couldn't he have calculated? couldn't we have calculated? couldn't you have calculated? couldn't they have calculated?
Perfekt mit V-ing
couldn't I have been calculating? couldn't you have been calculating? couldn't he have been calculating? couldn't we have been calculating? couldn't you have been calculating? couldn't they have been calculating?