could cog
Verbo regular: cog - coged- coged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could cog
you could cog
he could cog
we could cog
you could cog
they could cog 	I could be coging
you could be coging
he could be coging
we could be coging
you could be coging
they could be coging	I could have coged
you could have coged
he could have coged
we could have coged
you could have coged
they could have coged	I could have been coging
you could have been coging
he could have been coging
we could have been coging
you could have been coging
they could have been coging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not cog
you could not cog
he could not cog
we could not cog
you could not cog
they could not cog 	I could not be coging
you could not be coging
he could not be coging
we could not be coging
you could not be coging
they could not be coging	I could not have coged
you could not have coged
he could not have coged
we could not have coged
you could not have coged
they could not have coged	I could not have been coging
you could not have been coging
he could not have been coging
we could not have been coging
you could not have been coging
they could not have been coging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I cog?
could you cog?
could he cog?
could we cog?
could you cog?
could they cog? 	could I be coging?
could you be coging?
could he be coging?
could we be coging?
could you be coging?
could they be coging? 	could I have coged?
could you have coged?
could he have coged?
could we have coged?
could you have coged?
could they have coged? 	could I have been coging?
could you have been coging?
could he have been coging?
could we have been coging?
could you have been coging?
could they have been coging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not cog?
could you not cog?
could he not cog?
could we not cog?
could you not cog?
could they not cog? 	could I not be coging?
could you not be coging?
could he not be coging?
could we not be coging?
could you not be coging?
could they not be coging? 	could I not have coged?
could you not have coged?
could he not have coged?
could we not have coged?
could you not have coged?
could they not have coged? 	could I not have been coging?
could you not have been coging?
could he not have been coging?
could we not have been coging?
could you not have been coging?
could they not have been coging?