could countermarch
Verbo regular: countermarch - countermarched- countermarched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could countermarch
you could countermarch
he could countermarch
we could countermarch
you could countermarch
they could countermarch 	I could be countermarching
you could be countermarching
he could be countermarching
we could be countermarching
you could be countermarching
they could be countermarching	I could have countermarched
you could have countermarched
he could have countermarched
we could have countermarched
you could have countermarched
they could have countermarched	I could have been countermarching
you could have been countermarching
he could have been countermarching
we could have been countermarching
you could have been countermarching
they could have been countermarching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not countermarch
you could not countermarch
he could not countermarch
we could not countermarch
you could not countermarch
they could not countermarch 	I could not be countermarching
you could not be countermarching
he could not be countermarching
we could not be countermarching
you could not be countermarching
they could not be countermarching	I could not have countermarched
you could not have countermarched
he could not have countermarched
we could not have countermarched
you could not have countermarched
they could not have countermarched	I could not have been countermarching
you could not have been countermarching
he could not have been countermarching
we could not have been countermarching
you could not have been countermarching
they could not have been countermarching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I countermarch?
could you countermarch?
could he countermarch?
could we countermarch?
could you countermarch?
could they countermarch? 	could I be countermarching?
could you be countermarching?
could he be countermarching?
could we be countermarching?
could you be countermarching?
could they be countermarching? 	could I have countermarched?
could you have countermarched?
could he have countermarched?
could we have countermarched?
could you have countermarched?
could they have countermarched? 	could I have been countermarching?
could you have been countermarching?
could he have been countermarching?
could we have been countermarching?
could you have been countermarching?
could they have been countermarching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not countermarch?
could you not countermarch?
could he not countermarch?
could we not countermarch?
could you not countermarch?
could they not countermarch? 	could I not be countermarching?
could you not be countermarching?
could he not be countermarching?
could we not be countermarching?
could you not be countermarching?
could they not be countermarching? 	could I not have countermarched?
could you not have countermarched?
could he not have countermarched?
could we not have countermarched?
could you not have countermarched?
could they not have countermarched? 	could I not have been countermarching?
could you not have been countermarching?
could he not have been countermarching?
could we not have been countermarching?
could you not have been countermarching?
could they not have been countermarching?