could rarefy
Regelmä&szlig;iges Verb: rarefy - rarefied- rarefied

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could rarefy
you could rarefy
she could rarefy
we could rarefy
you could rarefy
they could rarefy 	I could be rarefying
you could be rarefying
she could be rarefying
we could be rarefying
you could be rarefying
they could be rarefying	I could have rarefied
you could have rarefied
she could have rarefied
we could have rarefied
you could have rarefied
they could have rarefied	I could have been rarefying
you could have been rarefying
she could have been rarefying
we could have been rarefying
you could have been rarefying
they could have been rarefying	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not rarefy
you could not rarefy
she could not rarefy
we could not rarefy
you could not rarefy
they could not rarefy 	I could not be rarefying
you could not be rarefying
she could not be rarefying
we could not be rarefying
you could not be rarefying
they could not be rarefying	I could not have rarefied
you could not have rarefied
she could not have rarefied
we could not have rarefied
you could not have rarefied
they could not have rarefied	I could not have been rarefying
you could not have been rarefying
she could not have been rarefying
we could not have been rarefying
you could not have been rarefying
they could not have been rarefying	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I rarefy?
could you rarefy?
could she rarefy?
could we rarefy?
could you rarefy?
could they rarefy? 	could I be rarefying?
could you be rarefying?
could she be rarefying?
could we be rarefying?
could you be rarefying?
could they be rarefying? 	could I have rarefied?
could you have rarefied?
could she have rarefied?
could we have rarefied?
could you have rarefied?
could they have rarefied? 	could I have been rarefying?
could you have been rarefying?
could she have been rarefying?
could we have been rarefying?
could you have been rarefying?
could they have been rarefying? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not rarefy?
could you not rarefy?
could she not rarefy?
could we not rarefy?
could you not rarefy?
could they not rarefy? 	could I not be rarefying?
could you not be rarefying?
could she not be rarefying?
could we not be rarefying?
could you not be rarefying?
could they not be rarefying? 	could I not have rarefied?
could you not have rarefied?
could she not have rarefied?
could we not have rarefied?
could you not have rarefied?
could they not have rarefied? 	could I not have been rarefying?
could you not have been rarefying?
could she not have been rarefying?
could we not have been rarefying?
could you not have been rarefying?
could they not have been rarefying?