must carburize
Verbe régulier : carburize - carburized- carburized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must carburize
you must carburize
he must carburize
we must carburize
you must carburize
they must carburize 	I must be carburizing
you must be carburizing
he must be carburizing
we must be carburizing
you must be carburizing
they must be carburizing	I must have carburized
you must have carburized
he must have carburized
we must have carburized
you must have carburized
they must have carburized	I must have been carburizing
you must have been carburizing
he must have been carburizing
we must have been carburizing
you must have been carburizing
they must have been carburizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not carburize
you must not carburize
he must not carburize
we must not carburize
you must not carburize
they must not carburize 	I must not be carburizing
you must not be carburizing
he must not be carburizing
we must not be carburizing
you must not be carburizing
they must not be carburizing	I must not have carburized
you must not have carburized
he must not have carburized
we must not have carburized
you must not have carburized
they must not have carburized	I must not have been carburizing
you must not have been carburizing
he must not have been carburizing
we must not have been carburizing
you must not have been carburizing
they must not have been carburizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I carburize?
must you carburize?
must he carburize?
must we carburize?
must you carburize?
must they carburize? 	must I be carburizing?
must you be carburizing?
must he be carburizing?
must we be carburizing?
must you be carburizing?
must they be carburizing? 	must I have carburized?
must you have carburized?
must he have carburized?
must we have carburized?
must you have carburized?
must they have carburized? 	must I have been carburizing?
must you have been carburizing?
must he have been carburizing?
must we have been carburizing?
must you have been carburizing?
must they have been carburizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not carburize?
must you not carburize?
must he not carburize?
must we not carburize?
must you not carburize?
must they not carburize? 	must I not be carburizing?
must you not be carburizing?
must he not be carburizing?
must we not be carburizing?
must you not be carburizing?
must they not be carburizing? 	must I not have carburized?
must you not have carburized?
must he not have carburized?
must we not have carburized?
must you not have carburized?
must they not have carburized? 	must I not have been carburizing?
must you not have been carburizing?
must he not have been carburizing?
must we not have been carburizing?
must you not have been carburizing?
must they not have been carburizing?