could parley
Regular verb: parley - parleyed- parleyed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could parley
you could parley
he could parley
we could parley
you could parley
they could parley 	I could be parleying
you could be parleying
he could be parleying
we could be parleying
you could be parleying
they could be parleying	I could have parleyed
you could have parleyed
he could have parleyed
we could have parleyed
you could have parleyed
they could have parleyed	I could have been parleying
you could have been parleying
he could have been parleying
we could have been parleying
you could have been parleying
they could have been parleying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not parley
you could not parley
he could not parley
we could not parley
you could not parley
they could not parley 	I could not be parleying
you could not be parleying
he could not be parleying
we could not be parleying
you could not be parleying
they could not be parleying	I could not have parleyed
you could not have parleyed
he could not have parleyed
we could not have parleyed
you could not have parleyed
they could not have parleyed	I could not have been parleying
you could not have been parleying
he could not have been parleying
we could not have been parleying
you could not have been parleying
they could not have been parleying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I parley?
could you parley?
could he parley?
could we parley?
could you parley?
could they parley? 	could I be parleying?
could you be parleying?
could he be parleying?
could we be parleying?
could you be parleying?
could they be parleying? 	could I have parleyed?
could you have parleyed?
could he have parleyed?
could we have parleyed?
could you have parleyed?
could they have parleyed? 	could I have been parleying?
could you have been parleying?
could he have been parleying?
could we have been parleying?
could you have been parleying?
could they have been parleying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not parley?
could you not parley?
could he not parley?
could we not parley?
could you not parley?
could they not parley? 	could I not be parleying?
could you not be parleying?
could he not be parleying?
could we not be parleying?
could you not be parleying?
could they not be parleying? 	could I not have parleyed?
could you not have parleyed?
could he not have parleyed?
could we not have parleyed?
could you not have parleyed?
could they not have parleyed? 	could I not have been parleying?
could you not have been parleying?
could he not have been parleying?
could we not have been parleying?
could you not have been parleying?
could they not have been parleying?