could stifle
Regelmä&szlig;iges Verb: stifle - stifled- stifled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could stifle
you could stifle
she could stifle
we could stifle
you could stifle
they could stifle 	I could be stifling
you could be stifling
she could be stifling
we could be stifling
you could be stifling
they could be stifling	I could have stifled
you could have stifled
she could have stifled
we could have stifled
you could have stifled
they could have stifled	I could have been stifling
you could have been stifling
she could have been stifling
we could have been stifling
you could have been stifling
they could have been stifling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not stifle
you could not stifle
she could not stifle
we could not stifle
you could not stifle
they could not stifle 	I could not be stifling
you could not be stifling
she could not be stifling
we could not be stifling
you could not be stifling
they could not be stifling	I could not have stifled
you could not have stifled
she could not have stifled
we could not have stifled
you could not have stifled
they could not have stifled	I could not have been stifling
you could not have been stifling
she could not have been stifling
we could not have been stifling
you could not have been stifling
they could not have been stifling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I stifle?
could you stifle?
could she stifle?
could we stifle?
could you stifle?
could they stifle? 	could I be stifling?
could you be stifling?
could she be stifling?
could we be stifling?
could you be stifling?
could they be stifling? 	could I have stifled?
could you have stifled?
could she have stifled?
could we have stifled?
could you have stifled?
could they have stifled? 	could I have been stifling?
could you have been stifling?
could she have been stifling?
could we have been stifling?
could you have been stifling?
could they have been stifling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not stifle?
could you not stifle?
could she not stifle?
could we not stifle?
could you not stifle?
could they not stifle? 	could I not be stifling?
could you not be stifling?
could she not be stifling?
could we not be stifling?
could you not be stifling?
could they not be stifling? 	could I not have stifled?
could you not have stifled?
could she not have stifled?
could we not have stifled?
could you not have stifled?
could they not have stifled? 	could I not have been stifling?
could you not have been stifling?
could she not have been stifling?
could we not have been stifling?
could you not have been stifling?
could they not have been stifling?