could trepan
Regelmä&szlig;iges Verb: trepan - trepanned- trepanned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could trepan
you could trepan
she could trepan
we could trepan
you could trepan
they could trepan 	I could be trepanning
you could be trepanning
she could be trepanning
we could be trepanning
you could be trepanning
they could be trepanning	I could have trepanned
you could have trepanned
she could have trepanned
we could have trepanned
you could have trepanned
they could have trepanned	I could have been trepanning
you could have been trepanning
she could have been trepanning
we could have been trepanning
you could have been trepanning
they could have been trepanning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not trepan
you could not trepan
she could not trepan
we could not trepan
you could not trepan
they could not trepan 	I could not be trepanning
you could not be trepanning
she could not be trepanning
we could not be trepanning
you could not be trepanning
they could not be trepanning	I could not have trepanned
you could not have trepanned
she could not have trepanned
we could not have trepanned
you could not have trepanned
they could not have trepanned	I could not have been trepanning
you could not have been trepanning
she could not have been trepanning
we could not have been trepanning
you could not have been trepanning
they could not have been trepanning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I trepan?
could you trepan?
could she trepan?
could we trepan?
could you trepan?
could they trepan? 	could I be trepanning?
could you be trepanning?
could she be trepanning?
could we be trepanning?
could you be trepanning?
could they be trepanning? 	could I have trepanned?
could you have trepanned?
could she have trepanned?
could we have trepanned?
could you have trepanned?
could they have trepanned? 	could I have been trepanning?
could you have been trepanning?
could she have been trepanning?
could we have been trepanning?
could you have been trepanning?
could they have been trepanning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not trepan?
could you not trepan?
could she not trepan?
could we not trepan?
could you not trepan?
could they not trepan? 	could I not be trepanning?
could you not be trepanning?
could she not be trepanning?
could we not be trepanning?
could you not be trepanning?
could they not be trepanning? 	could I not have trepanned?
could you not have trepanned?
could she not have trepanned?
could we not have trepanned?
could you not have trepanned?
could they not have trepanned? 	could I not have been trepanning?
could you not have been trepanning?
could she not have been trepanning?
could we not have been trepanning?
could you not have been trepanning?
could they not have been trepanning?