must despond
Regular verb: despond - desponded- desponded

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