could calculate
Regelmä&szlig;iges Verb: calculate - calculated- calculated

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