could extinguish
Regelmä&szlig;iges Verb: extinguish - extinguished- extinguished

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could extinguish
you could extinguish
she could extinguish
we could extinguish
you could extinguish
they could extinguish 	I could be extinguishing
you could be extinguishing
she could be extinguishing
we could be extinguishing
you could be extinguishing
they could be extinguishing	I could have extinguished
you could have extinguished
she could have extinguished
we could have extinguished
you could have extinguished
they could have extinguished	I could have been extinguishing
you could have been extinguishing
she could have been extinguishing
we could have been extinguishing
you could have been extinguishing
they could have been extinguishing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not extinguish
you could not extinguish
she could not extinguish
we could not extinguish
you could not extinguish
they could not extinguish 	I could not be extinguishing
you could not be extinguishing
she could not be extinguishing
we could not be extinguishing
you could not be extinguishing
they could not be extinguishing	I could not have extinguished
you could not have extinguished
she could not have extinguished
we could not have extinguished
you could not have extinguished
they could not have extinguished	I could not have been extinguishing
you could not have been extinguishing
she could not have been extinguishing
we could not have been extinguishing
you could not have been extinguishing
they could not have been extinguishing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I extinguish?
could you extinguish?
could she extinguish?
could we extinguish?
could you extinguish?
could they extinguish? 	could I be extinguishing?
could you be extinguishing?
could she be extinguishing?
could we be extinguishing?
could you be extinguishing?
could they be extinguishing? 	could I have extinguished?
could you have extinguished?
could she have extinguished?
could we have extinguished?
could you have extinguished?
could they have extinguished? 	could I have been extinguishing?
could you have been extinguishing?
could she have been extinguishing?
could we have been extinguishing?
could you have been extinguishing?
could they have been extinguishing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not extinguish?
could you not extinguish?
could she not extinguish?
could we not extinguish?
could you not extinguish?
could they not extinguish? 	could I not be extinguishing?
could you not be extinguishing?
could she not be extinguishing?
could we not be extinguishing?
could you not be extinguishing?
could they not be extinguishing? 	could I not have extinguished?
could you not have extinguished?
could she not have extinguished?
could we not have extinguished?
could you not have extinguished?
could they not have extinguished? 	could I not have been extinguishing?
could you not have been extinguishing?
could she not have been extinguishing?
could we not have been extinguishing?
could you not have been extinguishing?
could they not have been extinguishing?