could double-check
Regelmä&szlig;iges Verb: double-check - double-checked- double-checked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could double-check
you could double-check
he could double-check
we could double-check
you could double-check
they could double-check 	I could be double-checking
you could be double-checking
he could be double-checking
we could be double-checking
you could be double-checking
they could be double-checking	I could have double-checked
you could have double-checked
he could have double-checked
we could have double-checked
you could have double-checked
they could have double-checked	I could have been double-checking
you could have been double-checking
he could have been double-checking
we could have been double-checking
you could have been double-checking
they could have been double-checking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not double-check
you could not double-check
he could not double-check
we could not double-check
you could not double-check
they could not double-check 	I could not be double-checking
you could not be double-checking
he could not be double-checking
we could not be double-checking
you could not be double-checking
they could not be double-checking	I could not have double-checked
you could not have double-checked
he could not have double-checked
we could not have double-checked
you could not have double-checked
they could not have double-checked	I could not have been double-checking
you could not have been double-checking
he could not have been double-checking
we could not have been double-checking
you could not have been double-checking
they could not have been double-checking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I double-check?
could you double-check?
could he double-check?
could we double-check?
could you double-check?
could they double-check? 	could I be double-checking?
could you be double-checking?
could he be double-checking?
could we be double-checking?
could you be double-checking?
could they be double-checking? 	could I have double-checked?
could you have double-checked?
could he have double-checked?
could we have double-checked?
could you have double-checked?
could they have double-checked? 	could I have been double-checking?
could you have been double-checking?
could he have been double-checking?
could we have been double-checking?
could you have been double-checking?
could they have been double-checking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not double-check?
could you not double-check?
could he not double-check?
could we not double-check?
could you not double-check?
could they not double-check? 	could I not be double-checking?
could you not be double-checking?
could he not be double-checking?
could we not be double-checking?
could you not be double-checking?
could they not be double-checking? 	could I not have double-checked?
could you not have double-checked?
could he not have double-checked?
could we not have double-checked?
could you not have double-checked?
could they not have double-checked? 	could I not have been double-checking?
could you not have been double-checking?
could he not have been double-checking?
could we not have been double-checking?
could you not have been double-checking?
could they not have been double-checking?