could zipper
Regelmä&szlig;iges Verb: zipper - zippered- zippered

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could zipper
you could zipper
he could zipper
we could zipper
you could zipper
they could zipper 	I could be zippering
you could be zippering
he could be zippering
we could be zippering
you could be zippering
they could be zippering	I could have zippered
you could have zippered
he could have zippered
we could have zippered
you could have zippered
they could have zippered	I could have been zippering
you could have been zippering
he could have been zippering
we could have been zippering
you could have been zippering
they could have been zippering	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not zipper
you could not zipper
he could not zipper
we could not zipper
you could not zipper
they could not zipper 	I could not be zippering
you could not be zippering
he could not be zippering
we could not be zippering
you could not be zippering
they could not be zippering	I could not have zippered
you could not have zippered
he could not have zippered
we could not have zippered
you could not have zippered
they could not have zippered	I could not have been zippering
you could not have been zippering
he could not have been zippering
we could not have been zippering
you could not have been zippering
they could not have been zippering	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I zipper?
could you zipper?
could he zipper?
could we zipper?
could you zipper?
could they zipper? 	could I be zippering?
could you be zippering?
could he be zippering?
could we be zippering?
could you be zippering?
could they be zippering? 	could I have zippered?
could you have zippered?
could he have zippered?
could we have zippered?
could you have zippered?
could they have zippered? 	could I have been zippering?
could you have been zippering?
could he have been zippering?
could we have been zippering?
could you have been zippering?
could they have been zippering? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not zipper?
could you not zipper?
could he not zipper?
could we not zipper?
could you not zipper?
could they not zipper? 	could I not be zippering?
could you not be zippering?
could he not be zippering?
could we not be zippering?
could you not be zippering?
could they not be zippering? 	could I not have zippered?
could you not have zippered?
could he not have zippered?
could we not have zippered?
could you not have zippered?
could they not have zippered? 	could I not have been zippering?
could you not have been zippering?
could he not have been zippering?
could we not have been zippering?
could you not have been zippering?
could they not have been zippering?