must degrade
Verbe régulier : degrade - degraded- degraded
Traduction française : dégrader - avilir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must degrade
you must degrade
she must degrade
we must degrade
you must degrade
they must degrade 	I must be degrading
you must be degrading
she must be degrading
we must be degrading
you must be degrading
they must be degrading	I must have degraded
you must have degraded
she 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
she must have been degrading
we must have been degrading
you must have been degrading
they must have been degrading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not degrade
you must not degrade
she 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
she 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
she 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
she must not have been degrading
we must not have been degrading
you must not have been degrading
they must not have been degrading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I degrade?
must you degrade?
must she degrade?
must we degrade?
must you degrade?
must they degrade? 	must I be degrading?
must you be degrading?
must she be degrading?
must we be degrading?
must you be degrading?
must they be degrading? 	must I have degraded?
must you have degraded?
must she 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 she have been degrading?
must we have been degrading?
must you have been degrading?
must they have been degrading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not degrade?
must you not degrade?
must she 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 she 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 she 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 she not have been degrading?
must we not have been degrading?
must you not have been degrading?
must they not have been degrading?