could retaliate
Verbo regular: retaliate - retaliated- retaliated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could retaliate
you could retaliate
he could retaliate
we could retaliate
you could retaliate
they could retaliate 	I could be retaliating
you could be retaliating
he could be retaliating
we could be retaliating
you could be retaliating
they could be retaliating	I could have retaliated
you could have retaliated
he could have retaliated
we could have retaliated
you could have retaliated
they could have retaliated	I could have been retaliating
you could have been retaliating
he could have been retaliating
we could have been retaliating
you could have been retaliating
they could have been retaliating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not retaliate
you could not retaliate
he could not retaliate
we could not retaliate
you could not retaliate
they could not retaliate 	I could not be retaliating
you could not be retaliating
he could not be retaliating
we could not be retaliating
you could not be retaliating
they could not be retaliating	I could not have retaliated
you could not have retaliated
he could not have retaliated
we could not have retaliated
you could not have retaliated
they could not have retaliated	I could not have been retaliating
you could not have been retaliating
he could not have been retaliating
we could not have been retaliating
you could not have been retaliating
they could not have been retaliating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I retaliate?
could you retaliate?
could he retaliate?
could we retaliate?
could you retaliate?
could they retaliate? 	could I be retaliating?
could you be retaliating?
could he be retaliating?
could we be retaliating?
could you be retaliating?
could they be retaliating? 	could I have retaliated?
could you have retaliated?
could he have retaliated?
could we have retaliated?
could you have retaliated?
could they have retaliated? 	could I have been retaliating?
could you have been retaliating?
could he have been retaliating?
could we have been retaliating?
could you have been retaliating?
could they have been retaliating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not retaliate?
could you not retaliate?
could he not retaliate?
could we not retaliate?
could you not retaliate?
could they not retaliate? 	could I not be retaliating?
could you not be retaliating?
could he not be retaliating?
could we not be retaliating?
could you not be retaliating?
could they not be retaliating? 	could I not have retaliated?
could you not have retaliated?
could he not have retaliated?
could we not have retaliated?
could you not have retaliated?
could they not have retaliated? 	could I not have been retaliating?
could you not have been retaliating?
could he not have been retaliating?
could we not have been retaliating?
could you not have been retaliating?
could they not have been retaliating?