could decarburize
Verbe régulier : decarburize - decarburized- decarburized

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't decarburize
you couldn't decarburize
she couldn't decarburize
we couldn't decarburize
you couldn't decarburize
they couldn't decarburize 	I couldn't be decarburizing
you couldn't be decarburizing
she couldn't be decarburizing
we couldn't be decarburizing
you couldn't be decarburizing
they couldn't be decarburizing	I couldn't have decarburized
you couldn't have decarburized
she couldn't have decarburized
we couldn't have decarburized
you couldn't have decarburized
they couldn't have decarburized	I couldn't have been decarburizing
you couldn't have been decarburizing
she couldn't have been decarburizing
we couldn't have been decarburizing
you couldn't have been decarburizing
they couldn't have been decarburizing	

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

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