can cog
Verbo regular: cog - coged- coged

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

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

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

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