could bog bog
Regular verb: bog bog - bog boged- bog boged

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bog bog
you could bog bog
he could bog bog
we could bog bog
you could bog bog
they could bog bog 	I could be bog boging
you could be bog boging
he could be bog boging
we could be bog boging
you could be bog boging
they could be bog boging	I could have bog boged
you could have bog boged
he could have bog boged
we could have bog boged
you could have bog boged
they could have bog boged	I could have been bog boging
you could have been bog boging
he could have been bog boging
we could have been bog boging
you could have been bog boging
they could have been bog boging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not bog bog
you could not bog bog
he could not bog bog
we could not bog bog
you could not bog bog
they could not bog bog 	I could not be bog boging
you could not be bog boging
he could not be bog boging
we could not be bog boging
you could not be bog boging
they could not be bog boging	I could not have bog boged
you could not have bog boged
he could not have bog boged
we could not have bog boged
you could not have bog boged
they could not have bog boged	I could not have been bog boging
you could not have been bog boging
he could not have been bog boging
we could not have been bog boging
you could not have been bog boging
they could not have been bog boging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bog bog?
could you bog bog?
could he bog bog?
could we bog bog?
could you bog bog?
could they bog bog? 	could I be bog boging?
could you be bog boging?
could he be bog boging?
could we be bog boging?
could you be bog boging?
could they be bog boging? 	could I have bog boged?
could you have bog boged?
could he have bog boged?
could we have bog boged?
could you have bog boged?
could they have bog boged? 	could I have been bog boging?
could you have been bog boging?
could he have been bog boging?
could we have been bog boging?
could you have been bog boging?
could they have been bog boging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not bog bog?
could you not bog bog?
could he not bog bog?
could we not bog bog?
could you not bog bog?
could they not bog bog? 	could I not be bog boging?
could you not be bog boging?
could he not be bog boging?
could we not be bog boging?
could you not be bog boging?
could they not be bog boging? 	could I not have bog boged?
could you not have bog boged?
could he not have bog boged?
could we not have bog boged?
could you not have bog boged?
could they not have bog boged? 	could I not have been bog boging?
could you not have been bog boging?
could he not have been bog boging?
could we not have been bog boging?
could you not have been bog boging?
could they not have been bog boging?