could euthanize
Verbo regular: euthanize - euthanized- euthanized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could euthanize
you could euthanize
he could euthanize
we could euthanize
you could euthanize
they could euthanize 	I could be euthanizing
you could be euthanizing
he could be euthanizing
we could be euthanizing
you could be euthanizing
they could be euthanizing	I could have euthanized
you could have euthanized
he could have euthanized
we could have euthanized
you could have euthanized
they could have euthanized	I could have been euthanizing
you could have been euthanizing
he could have been euthanizing
we could have been euthanizing
you could have been euthanizing
they could have been euthanizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not euthanize
you could not euthanize
he could not euthanize
we could not euthanize
you could not euthanize
they could not euthanize 	I could not be euthanizing
you could not be euthanizing
he could not be euthanizing
we could not be euthanizing
you could not be euthanizing
they could not be euthanizing	I could not have euthanized
you could not have euthanized
he could not have euthanized
we could not have euthanized
you could not have euthanized
they could not have euthanized	I could not have been euthanizing
you could not have been euthanizing
he could not have been euthanizing
we could not have been euthanizing
you could not have been euthanizing
they could not have been euthanizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I euthanize?
could you euthanize?
could he euthanize?
could we euthanize?
could you euthanize?
could they euthanize? 	could I be euthanizing?
could you be euthanizing?
could he be euthanizing?
could we be euthanizing?
could you be euthanizing?
could they be euthanizing? 	could I have euthanized?
could you have euthanized?
could he have euthanized?
could we have euthanized?
could you have euthanized?
could they have euthanized? 	could I have been euthanizing?
could you have been euthanizing?
could he have been euthanizing?
could we have been euthanizing?
could you have been euthanizing?
could they have been euthanizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not euthanize?
could you not euthanize?
could he not euthanize?
could we not euthanize?
could you not euthanize?
could they not euthanize? 	could I not be euthanizing?
could you not be euthanizing?
could he not be euthanizing?
could we not be euthanizing?
could you not be euthanizing?
could they not be euthanizing? 	could I not have euthanized?
could you not have euthanized?
could he not have euthanized?
could we not have euthanized?
could you not have euthanized?
could they not have euthanized? 	could I not have been euthanizing?
could you not have been euthanizing?
could he not have been euthanizing?
could we not have been euthanizing?
could you not have been euthanizing?
could they not have been euthanizing?