could exterminate
Verbo regular: exterminate - exterminated- exterminated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could exterminate
you could exterminate
he could exterminate
we could exterminate
you could exterminate
they could exterminate 	I could be exterminating
you could be exterminating
he could be exterminating
we could be exterminating
you could be exterminating
they could be exterminating	I could have exterminated
you could have exterminated
he could have exterminated
we could have exterminated
you could have exterminated
they could have exterminated	I could have been exterminating
you could have been exterminating
he could have been exterminating
we could have been exterminating
you could have been exterminating
they could have been exterminating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't exterminate
you couldn't exterminate
he couldn't exterminate
we couldn't exterminate
you couldn't exterminate
they couldn't exterminate 	I couldn't be exterminating
you couldn't be exterminating
he couldn't be exterminating
we couldn't be exterminating
you couldn't be exterminating
they couldn't be exterminating	I couldn't have exterminated
you couldn't have exterminated
he couldn't have exterminated
we couldn't have exterminated
you couldn't have exterminated
they couldn't have exterminated	I couldn't have been exterminating
you couldn't have been exterminating
he couldn't have been exterminating
we couldn't have been exterminating
you couldn't have been exterminating
they couldn't have been exterminating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I exterminate?
could you exterminate?
could he exterminate?
could we exterminate?
could you exterminate?
could they exterminate? 	could I be exterminating?
could you be exterminating?
could he be exterminating?
could we be exterminating?
could you be exterminating?
could they be exterminating? 	could I have exterminated?
could you have exterminated?
could he have exterminated?
could we have exterminated?
could you have exterminated?
could they have exterminated? 	could I have been exterminating?
could you have been exterminating?
could he have been exterminating?
could we have been exterminating?
could you have been exterminating?
could they have been exterminating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I exterminate?
couldn't you exterminate?
couldn't he exterminate?
couldn't we exterminate?
couldn't you exterminate?
couldn't they exterminate? 	couldn't I be exterminating?
couldn't you be exterminating?
couldn't he be exterminating?
couldn't we be exterminating?
couldn't you be exterminating?
couldn't they be exterminating? 	couldn't I have exterminated?
couldn't you have exterminated?
couldn't he have exterminated?
couldn't we have exterminated?
couldn't you have exterminated?
couldn't they have exterminated? 	couldn't I have been exterminating?
couldn't you have been exterminating?
couldn't he have been exterminating?
couldn't we have been exterminating?
couldn't you have been exterminating?
couldn't they have been exterminating?