could state
Verbo regular: state - stated- stated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could state
you could state
he could state
we could state
you could state
they could state 	I could be stating
you could be stating
he could be stating
we could be stating
you could be stating
they could be stating	I could have stated
you could have stated
he could have stated
we could have stated
you could have stated
they could have stated	I could have been stating
you could have been stating
he could have been stating
we could have been stating
you could have been stating
they could have been stating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not state
you could not state
he could not state
we could not state
you could not state
they could not state 	I could not be stating
you could not be stating
he could not be stating
we could not be stating
you could not be stating
they could not be stating	I could not have stated
you could not have stated
he could not have stated
we could not have stated
you could not have stated
they could not have stated	I could not have been stating
you could not have been stating
he could not have been stating
we could not have been stating
you could not have been stating
they could not have been stating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I state?
could you state?
could he state?
could we state?
could you state?
could they state? 	could I be stating?
could you be stating?
could he be stating?
could we be stating?
could you be stating?
could they be stating? 	could I have stated?
could you have stated?
could he have stated?
could we have stated?
could you have stated?
could they have stated? 	could I have been stating?
could you have been stating?
could he have been stating?
could we have been stating?
could you have been stating?
could they have been stating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not state?
could you not state?
could he not state?
could we not state?
could you not state?
could they not state? 	could I not be stating?
could you not be stating?
could he not be stating?
could we not be stating?
could you not be stating?
could they not be stating? 	could I not have stated?
could you not have stated?
could he not have stated?
could we not have stated?
could you not have stated?
could they not have stated? 	could I not have been stating?
could you not have been stating?
could he not have been stating?
could we not have been stating?
could you not have been stating?
could they not have been stating?