English verb conjugation
MUST DESPOND

Regular verb: despond - desponded - desponded

Affirmation

Simple form	V-ing form
I must despond you must despond he must despond we must despond you must despond they must despond	I must be desponding you must be desponding he must be desponding we must be desponding you must be desponding they must be desponding
Perfect	V-ing perfect
I must have desponded you must have desponded he must have desponded we must have desponded you must have desponded they must have desponded	I must have been desponding you must have been desponding he must have been desponding we must have been desponding you must have been desponding they must have been desponding

Negation

Simple form	V-ing form
I must not despond you must not despond he must not despond we must not despond you must not despond they must not despond	I must not be desponding you must not be desponding he must not be desponding we must not be desponding you must not be desponding they must not be desponding
Perfect	V-ing perfect
I must not have desponded you must not have desponded he must not have desponded we must not have desponded you must not have desponded they must not have desponded	I must not have been desponding you must not have been desponding he must not have been desponding we must not have been desponding you must not have been desponding they must not have been desponding

Interrogative form

Simple form	V-ing form
must I despond? must you despond? must he despond? must we despond? must you despond? must they despond?	must I be desponding? must you be desponding? must he be desponding? must we be desponding? must you be desponding? must they be desponding?
Perfect	V-ing perfect
must I have desponded? must you have desponded? must he have desponded? must we have desponded? must you have desponded? must they have desponded?	must I have been desponding? must you have been desponding? must he have been desponding? must we have been desponding? must you have been desponding? must they have been desponding?

Interro-negative form

Simple form	V-ing form
must I not despond? must you not despond? must he not despond? must we not despond? must you not despond? must they not despond?	must I not be desponding? must you not be desponding? must he not be desponding? must we not be desponding? must you not be desponding? must they not be desponding?
Perfect	V-ing perfect
must I not have desponded? must you not have desponded? must he not have desponded? must we not have desponded? must you not have desponded? must they not have desponded?	must I not have been desponding? must you not have been desponding? must he not have been desponding? must we not have been desponding? must you not have been desponding? must they not have been desponding?