must decarburize
Verbe régulier : decarburize - decarburized- decarburized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must decarburize
you must decarburize
she must decarburize
we must decarburize
you must decarburize
they must decarburize 	I must be decarburizing
you must be decarburizing
she must be decarburizing
we must be decarburizing
you must be decarburizing
they must be decarburizing	I must have decarburized
you must have decarburized
she must have decarburized
we must have decarburized
you must have decarburized
they must have decarburized	I must have been decarburizing
you must have been decarburizing
she must have been decarburizing
we must have been decarburizing
you must have been decarburizing
they must have been decarburizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not decarburize
you must not decarburize
she must not decarburize
we must not decarburize
you must not decarburize
they must not decarburize 	I must not be decarburizing
you must not be decarburizing
she must not be decarburizing
we must not be decarburizing
you must not be decarburizing
they must not be decarburizing	I must not have decarburized
you must not have decarburized
she must not have decarburized
we must not have decarburized
you must not have decarburized
they must not have decarburized	I must not have been decarburizing
you must not have been decarburizing
she must not have been decarburizing
we must not have been decarburizing
you must not have been decarburizing
they must not have been decarburizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I decarburize?
must you decarburize?
must she decarburize?
must we decarburize?
must you decarburize?
must they decarburize? 	must I be decarburizing?
must you be decarburizing?
must she be decarburizing?
must we be decarburizing?
must you be decarburizing?
must they be decarburizing? 	must I have decarburized?
must you have decarburized?
must she have decarburized?
must we have decarburized?
must you have decarburized?
must they have decarburized? 	must I have been decarburizing?
must you have been decarburizing?
must she have been decarburizing?
must we have been decarburizing?
must you have been decarburizing?
must they have been decarburizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not decarburize?
must you not decarburize?
must she not decarburize?
must we not decarburize?
must you not decarburize?
must they not decarburize? 	must I not be decarburizing?
must you not be decarburizing?
must she not be decarburizing?
must we not be decarburizing?
must you not be decarburizing?
must they not be decarburizing? 	must I not have decarburized?
must you not have decarburized?
must she not have decarburized?
must we not have decarburized?
must you not have decarburized?
must they not have decarburized? 	must I not have been decarburizing?
must you not have been decarburizing?
must she not have been decarburizing?
must we not have been decarburizing?
must you not have been decarburizing?
must they not have been decarburizing?