could prototype
Regelmä&szlig;iges Verb: prototype - prototyped- prototyped

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could prototype
you could prototype
he could prototype
we could prototype
you could prototype
they could prototype 	I could be prototyping
you could be prototyping
he could be prototyping
we could be prototyping
you could be prototyping
they could be prototyping	I could have prototyped
you could have prototyped
he could have prototyped
we could have prototyped
you could have prototyped
they could have prototyped	I could have been prototyping
you could have been prototyping
he could have been prototyping
we could have been prototyping
you could have been prototyping
they could have been prototyping	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not prototype
you could not prototype
he could not prototype
we could not prototype
you could not prototype
they could not prototype 	I could not be prototyping
you could not be prototyping
he could not be prototyping
we could not be prototyping
you could not be prototyping
they could not be prototyping	I could not have prototyped
you could not have prototyped
he could not have prototyped
we could not have prototyped
you could not have prototyped
they could not have prototyped	I could not have been prototyping
you could not have been prototyping
he could not have been prototyping
we could not have been prototyping
you could not have been prototyping
they could not have been prototyping	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I prototype?
could you prototype?
could he prototype?
could we prototype?
could you prototype?
could they prototype? 	could I be prototyping?
could you be prototyping?
could he be prototyping?
could we be prototyping?
could you be prototyping?
could they be prototyping? 	could I have prototyped?
could you have prototyped?
could he have prototyped?
could we have prototyped?
could you have prototyped?
could they have prototyped? 	could I have been prototyping?
could you have been prototyping?
could he have been prototyping?
could we have been prototyping?
could you have been prototyping?
could they have been prototyping? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not prototype?
could you not prototype?
could he not prototype?
could we not prototype?
could you not prototype?
could they not prototype? 	could I not be prototyping?
could you not be prototyping?
could he not be prototyping?
could we not be prototyping?
could you not be prototyping?
could they not be prototyping? 	could I not have prototyped?
could you not have prototyped?
could he not have prototyped?
could we not have prototyped?
could you not have prototyped?
could they not have prototyped? 	could I not have been prototyping?
could you not have been prototyping?
could he not have been prototyping?
could we not have been prototyping?
could you not have been prototyping?
could they not have been prototyping?