could denaturalize
Verbe régulier : denaturalize - denaturalized- denaturalized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could denaturalize
you could denaturalize
he could denaturalize
we could denaturalize
you could denaturalize
they could denaturalize 	I could be denaturalizing
you could be denaturalizing
he could be denaturalizing
we could be denaturalizing
you could be denaturalizing
they could be denaturalizing	I could have denaturalized
you could have denaturalized
he could have denaturalized
we could have denaturalized
you could have denaturalized
they could have denaturalized	I could have been denaturalizing
you could have been denaturalizing
he could have been denaturalizing
we could have been denaturalizing
you could have been denaturalizing
they could have been denaturalizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't denaturalize
you couldn't denaturalize
he couldn't denaturalize
we couldn't denaturalize
you couldn't denaturalize
they couldn't denaturalize 	I couldn't be denaturalizing
you couldn't be denaturalizing
he couldn't be denaturalizing
we couldn't be denaturalizing
you couldn't be denaturalizing
they couldn't be denaturalizing	I couldn't have denaturalized
you couldn't have denaturalized
he couldn't have denaturalized
we couldn't have denaturalized
you couldn't have denaturalized
they couldn't have denaturalized	I couldn't have been denaturalizing
you couldn't have been denaturalizing
he couldn't have been denaturalizing
we couldn't have been denaturalizing
you couldn't have been denaturalizing
they couldn't have been denaturalizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I denaturalize?
could you denaturalize?
could he denaturalize?
could we denaturalize?
could you denaturalize?
could they denaturalize? 	could I be denaturalizing?
could you be denaturalizing?
could he be denaturalizing?
could we be denaturalizing?
could you be denaturalizing?
could they be denaturalizing? 	could I have denaturalized?
could you have denaturalized?
could he have denaturalized?
could we have denaturalized?
could you have denaturalized?
could they have denaturalized? 	could I have been denaturalizing?
could you have been denaturalizing?
could he have been denaturalizing?
could we have been denaturalizing?
could you have been denaturalizing?
could they have been denaturalizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I denaturalize?
couldn't you denaturalize?
couldn't he denaturalize?
couldn't we denaturalize?
couldn't you denaturalize?
couldn't they denaturalize? 	couldn't I be denaturalizing?
couldn't you be denaturalizing?
couldn't he be denaturalizing?
couldn't we be denaturalizing?
couldn't you be denaturalizing?
couldn't they be denaturalizing? 	couldn't I have denaturalized?
couldn't you have denaturalized?
couldn't he have denaturalized?
couldn't we have denaturalized?
couldn't you have denaturalized?
couldn't they have denaturalized? 	couldn't I have been denaturalizing?
couldn't you have been denaturalizing?
couldn't he have been denaturalizing?
couldn't we have been denaturalizing?
couldn't you have been denaturalizing?
couldn't they have been denaturalizing?