must decree
Verbe régulier : decree - decreed- decreed
Traduction française : décréter - ordonner (par jugement) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must decree
you must decree
he must decree
we must decree
you must decree
they must decree 	I must be decreeing
you must be decreeing
he must be decreeing
we must be decreeing
you must be decreeing
they must be decreeing	I must have decreed
you must have decreed
he must have decreed
we must have decreed
you must have decreed
they must have decreed	I must have been decreeing
you must have been decreeing
he must have been decreeing
we must have been decreeing
you must have been decreeing
they must have been decreeing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not decree
you must not decree
he must not decree
we must not decree
you must not decree
they must not decree 	I must not be decreeing
you must not be decreeing
he must not be decreeing
we must not be decreeing
you must not be decreeing
they must not be decreeing	I must not have decreed
you must not have decreed
he must not have decreed
we must not have decreed
you must not have decreed
they must not have decreed	I must not have been decreeing
you must not have been decreeing
he must not have been decreeing
we must not have been decreeing
you must not have been decreeing
they must not have been decreeing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I decree?
must you decree?
must he decree?
must we decree?
must you decree?
must they decree? 	must I be decreeing?
must you be decreeing?
must he be decreeing?
must we be decreeing?
must you be decreeing?
must they be decreeing? 	must I have decreed?
must you have decreed?
must he have decreed?
must we have decreed?
must you have decreed?
must they have decreed? 	must I have been decreeing?
must you have been decreeing?
must he have been decreeing?
must we have been decreeing?
must you have been decreeing?
must they have been decreeing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not decree?
must you not decree?
must he not decree?
must we not decree?
must you not decree?
must they not decree? 	must I not be decreeing?
must you not be decreeing?
must he not be decreeing?
must we not be decreeing?
must you not be decreeing?
must they not be decreeing? 	must I not have decreed?
must you not have decreed?
must he not have decreed?
must we not have decreed?
must you not have decreed?
must they not have decreed? 	must I not have been decreeing?
must you not have been decreeing?
must he not have been decreeing?
must we not have been decreeing?
must you not have been decreeing?
must they not have been decreeing?