English verb conjugation
MUST DEGRADE

Regular verb: degrade - degraded - degraded

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mustn't degrade you mustn't degrade he mustn't degrade we mustn't degrade you mustn't degrade they mustn't degrade	I mustn't be degrading you mustn't be degrading he mustn't be degrading we mustn't be degrading you mustn't be degrading they mustn't be degrading
Perfect	V-ing perfect
I mustn't have degraded you mustn't have degraded he mustn't have degraded we mustn't have degraded you mustn't have degraded they mustn't have degraded	I mustn't have been degrading you mustn't have been degrading he mustn't have been degrading we mustn't have been degrading you mustn't have been degrading they mustn't have been degrading

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
mustn't I degrade? mustn't you degrade? mustn't he degrade? mustn't we degrade? mustn't you degrade? mustn't they degrade?	mustn't I be degrading? mustn't you be degrading? mustn't he be degrading? mustn't we be degrading? mustn't you be degrading? mustn't they be degrading?
Perfect	V-ing perfect
mustn't I have degraded? mustn't you have degraded? mustn't he have degraded? mustn't we have degraded? mustn't you have degraded? mustn't they have degraded?	mustn't I have been degrading? mustn't you have been degrading? mustn't he have been degrading? mustn't we have been degrading? mustn't you have been degrading? mustn't they have been degrading?