must black
Verbe régulier : black - blacked- blacked
Traduction française : noircir (UK) - boycotter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must black
you must black
he must black
we must black
you must black
they must black 	I must be blacking
you must be blacking
he must be blacking
we must be blacking
you must be blacking
they must be blacking	I must have blacked
you must have blacked
he must have blacked
we must have blacked
you must have blacked
they must have blacked	I must have been blacking
you must have been blacking
he must have been blacking
we must have been blacking
you must have been blacking
they must have been blacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not black
you must not black
he must not black
we must not black
you must not black
they must not black 	I must not be blacking
you must not be blacking
he must not be blacking
we must not be blacking
you must not be blacking
they must not be blacking	I must not have blacked
you must not have blacked
he must not have blacked
we must not have blacked
you must not have blacked
they must not have blacked	I must not have been blacking
you must not have been blacking
he must not have been blacking
we must not have been blacking
you must not have been blacking
they must not have been blacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I black?
must you black?
must he black?
must we black?
must you black?
must they black? 	must I be blacking?
must you be blacking?
must he be blacking?
must we be blacking?
must you be blacking?
must they be blacking? 	must I have blacked?
must you have blacked?
must he have blacked?
must we have blacked?
must you have blacked?
must they have blacked? 	must I have been blacking?
must you have been blacking?
must he have been blacking?
must we have been blacking?
must you have been blacking?
must they have been blacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not black?
must you not black?
must he not black?
must we not black?
must you not black?
must they not black? 	must I not be blacking?
must you not be blacking?
must he not be blacking?
must we not be blacking?
must you not be blacking?
must they not be blacking? 	must I not have blacked?
must you not have blacked?
must he not have blacked?
must we not have blacked?
must you not have blacked?
must they not have blacked? 	must I not have been blacking?
must you not have been blacking?
must he not have been blacking?
must we not have been blacking?
must you not have been blacking?
must they not have been blacking?