could confab
Regular verb: confab - confabed- confabed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could confab
you could confab
he could confab
we could confab
you could confab
they could confab 	I could be confabing
you could be confabing
he could be confabing
we could be confabing
you could be confabing
they could be confabing	I could have confabed
you could have confabed
he could have confabed
we could have confabed
you could have confabed
they could have confabed	I could have been confabing
you could have been confabing
he could have been confabing
we could have been confabing
you could have been confabing
they could have been confabing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not confab
you could not confab
he could not confab
we could not confab
you could not confab
they could not confab 	I could not be confabing
you could not be confabing
he could not be confabing
we could not be confabing
you could not be confabing
they could not be confabing	I could not have confabed
you could not have confabed
he could not have confabed
we could not have confabed
you could not have confabed
they could not have confabed	I could not have been confabing
you could not have been confabing
he could not have been confabing
we could not have been confabing
you could not have been confabing
they could not have been confabing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I confab?
could you confab?
could he confab?
could we confab?
could you confab?
could they confab? 	could I be confabing?
could you be confabing?
could he be confabing?
could we be confabing?
could you be confabing?
could they be confabing? 	could I have confabed?
could you have confabed?
could he have confabed?
could we have confabed?
could you have confabed?
could they have confabed? 	could I have been confabing?
could you have been confabing?
could he have been confabing?
could we have been confabing?
could you have been confabing?
could they have been confabing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not confab?
could you not confab?
could he not confab?
could we not confab?
could you not confab?
could they not confab? 	could I not be confabing?
could you not be confabing?
could he not be confabing?
could we not be confabing?
could you not be confabing?
could they not be confabing? 	could I not have confabed?
could you not have confabed?
could he not have confabed?
could we not have confabed?
could you not have confabed?
could they not have confabed? 	could I not have been confabing?
could you not have been confabing?
could he not have been confabing?
could we not have been confabing?
could you not have been confabing?
could they not have been confabing?