could counterattack
Verbo regular: counterattack - counterattacked- counterattacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could counterattack
you could counterattack
he could counterattack
we could counterattack
you could counterattack
they could counterattack 	I could be counterattacking
you could be counterattacking
he could be counterattacking
we could be counterattacking
you could be counterattacking
they could be counterattacking	I could have counterattacked
you could have counterattacked
he could have counterattacked
we could have counterattacked
you could have counterattacked
they could have counterattacked	I could have been counterattacking
you could have been counterattacking
he could have been counterattacking
we could have been counterattacking
you could have been counterattacking
they could have been counterattacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not counterattack
you could not counterattack
he could not counterattack
we could not counterattack
you could not counterattack
they could not counterattack 	I could not be counterattacking
you could not be counterattacking
he could not be counterattacking
we could not be counterattacking
you could not be counterattacking
they could not be counterattacking	I could not have counterattacked
you could not have counterattacked
he could not have counterattacked
we could not have counterattacked
you could not have counterattacked
they could not have counterattacked	I could not have been counterattacking
you could not have been counterattacking
he could not have been counterattacking
we could not have been counterattacking
you could not have been counterattacking
they could not have been counterattacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I counterattack?
could you counterattack?
could he counterattack?
could we counterattack?
could you counterattack?
could they counterattack? 	could I be counterattacking?
could you be counterattacking?
could he be counterattacking?
could we be counterattacking?
could you be counterattacking?
could they be counterattacking? 	could I have counterattacked?
could you have counterattacked?
could he have counterattacked?
could we have counterattacked?
could you have counterattacked?
could they have counterattacked? 	could I have been counterattacking?
could you have been counterattacking?
could he have been counterattacking?
could we have been counterattacking?
could you have been counterattacking?
could they have been counterattacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not counterattack?
could you not counterattack?
could he not counterattack?
could we not counterattack?
could you not counterattack?
could they not counterattack? 	could I not be counterattacking?
could you not be counterattacking?
could he not be counterattacking?
could we not be counterattacking?
could you not be counterattacking?
could they not be counterattacking? 	could I not have counterattacked?
could you not have counterattacked?
could he not have counterattacked?
could we not have counterattacked?
could you not have counterattacked?
could they not have counterattacked? 	could I not have been counterattacking?
could you not have been counterattacking?
could he not have been counterattacking?
could we not have been counterattacking?
could you not have been counterattacking?
could they not have been counterattacking?