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
she must carburize
we must carburize
you must carburize
they must carburize 	I must be carburizing
you must be carburizing
she must be carburizing
we must be carburizing
you must be carburizing
they must be carburizing	I must have carburized
you must have carburized
she 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
she 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
she 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
she 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
she 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
she 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 she carburize?
must we carburize?
must you carburize?
must they carburize? 	must I be carburizing?
must you be carburizing?
must she be carburizing?
must we be carburizing?
must you be carburizing?
must they be carburizing? 	must I have carburized?
must you have carburized?
must she 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 she 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 she 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 she 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 she 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 she not have been carburizing?
must we not have been carburizing?
must you not have been carburizing?
must they not have been carburizing?