could blether blether
Regular verb: blether blether - blether blethered- blether blethered

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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could blether blether
you could blether blether
she could blether blether
we could blether blether
you could blether blether
they could blether blether 	I could be blether blethering
you could be blether blethering
she could be blether blethering
we could be blether blethering
you could be blether blethering
they could be blether blethering	I could have blether blethered
you could have blether blethered
she could have blether blethered
we could have blether blethered
you could have blether blethered
they could have blether blethered	I could have been blether blethering
you could have been blether blethering
she could have been blether blethering
we could have been blether blethering
you could have been blether blethering
they could have been blether blethering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not blether blether
you could not blether blether
she could not blether blether
we could not blether blether
you could not blether blether
they could not blether blether 	I could not be blether blethering
you could not be blether blethering
she could not be blether blethering
we could not be blether blethering
you could not be blether blethering
they could not be blether blethering	I could not have blether blethered
you could not have blether blethered
she could not have blether blethered
we could not have blether blethered
you could not have blether blethered
they could not have blether blethered	I could not have been blether blethering
you could not have been blether blethering
she could not have been blether blethering
we could not have been blether blethering
you could not have been blether blethering
they could not have been blether blethering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I blether blether?
could you blether blether?
could she blether blether?
could we blether blether?
could you blether blether?
could they blether blether? 	could I be blether blethering?
could you be blether blethering?
could she be blether blethering?
could we be blether blethering?
could you be blether blethering?
could they be blether blethering? 	could I have blether blethered?
could you have blether blethered?
could she have blether blethered?
could we have blether blethered?
could you have blether blethered?
could they have blether blethered? 	could I have been blether blethering?
could you have been blether blethering?
could she have been blether blethering?
could we have been blether blethering?
could you have been blether blethering?
could they have been blether blethering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not blether blether?
could you not blether blether?
could she not blether blether?
could we not blether blether?
could you not blether blether?
could they not blether blether? 	could I not be blether blethering?
could you not be blether blethering?
could she not be blether blethering?
could we not be blether blethering?
could you not be blether blethering?
could they not be blether blethering? 	could I not have blether blethered?
could you not have blether blethered?
could she not have blether blethered?
could we not have blether blethered?
could you not have blether blethered?
could they not have blether blethered? 	could I not have been blether blethering?
could you not have been blether blethering?
could she not have been blether blethering?
could we not have been blether blethering?
could you not have been blether blethering?
could they not have been blether blethering?