must degrade
Regular verb: degrade - degraded- degraded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must degrade
you must degrade
he must degrade
we must degrade
you must degrade
they must degrade 	I must be degrading
you must be degrading
he must be degrading
we must be degrading
you must be degrading
they must be degrading	I must have degraded
you must have degraded
he must have degraded
we must have degraded
you must have degraded
they must have degraded	I must have been degrading
you must have been degrading
he must have been degrading
we must have been degrading
you must have been degrading
they must have been degrading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not degrade
you must not degrade
he must not degrade
we must not degrade
you must not degrade
they must not degrade 	I must not be degrading
you must not be degrading
he must not be degrading
we must not be degrading
you must not be degrading
they must not be degrading	I must not have degraded
you must not have degraded
he must not have degraded
we must not have degraded
you must not have degraded
they must not have degraded	I must not have been degrading
you must not have been degrading
he must not have been degrading
we must not have been degrading
you must not have been degrading
they must not have been degrading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I degrade?
must you degrade?
must he degrade?
must we degrade?
must you degrade?
must they degrade? 	must I be degrading?
must you be degrading?
must he be degrading?
must we be degrading?
must you be degrading?
must they be degrading? 	must I have degraded?
must you have degraded?
must he have degraded?
must we have degraded?
must you have degraded?
must they have degraded? 	must I have been degrading?
must you have been degrading?
must he have been degrading?
must we have been degrading?
must you have been degrading?
must they have been degrading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not degrade?
must you not degrade?
must he not degrade?
must we not degrade?
must you not degrade?
must they not degrade? 	must I not be degrading?
must you not be degrading?
must he not be degrading?
must we not be degrading?
must you not be degrading?
must they not be degrading? 	must I not have degraded?
must you not have degraded?
must he not have degraded?
must we not have degraded?
must you not have degraded?
must they not have degraded? 	must I not have been degrading?
must you not have been degrading?
must he not have been degrading?
must we not have been degrading?
must you not have been degrading?
must they not have been degrading?