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