can cog
Regular verb: cog - coged- coged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cog
you can cog
she can cog
we can cog
you can cog
they can cog 	I can be coging
you can be coging
she can be coging
we can be coging
you can be coging
they can be coging	I can have coged
you can have coged
she 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
she can have been coging
we can have been coging
you can have been coging
they can have been coging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot cog
you cannot cog
she cannot cog
we cannot cog
you cannot cog
they cannot cog 	I cannot be coging
you cannot be coging
she cannot be coging
we cannot be coging
you cannot be coging
they cannot be coging	I cannot have coged
you cannot have coged
she 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
she cannot have been coging
we cannot have been coging
you cannot have been coging
they cannot have been coging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cog?
can you cog?
can she cog?
can we cog?
can you cog?
can they cog? 	can I be coging?
can you be coging?
can she be coging?
can we be coging?
can you be coging?
can they be coging? 	can I have coged?
can you have coged?
can she 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 she have been coging?
can we have been coging?
can you have been coging?
can they have been coging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not cog?
can you not cog?
can she 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 she 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 she 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 she not have been coging?
can we not have been coging?
can you not have been coging?
can they not have been coging?