could carburize
Verbe régulier : carburize - carburized- carburized

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

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

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

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