could decolorize
Verbe régulier : decolorize - decolorized- decolorized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could decolorize
you could decolorize
she could decolorize
we could decolorize
you could decolorize
they could decolorize 	I could be decolorizing
you could be decolorizing
she could be decolorizing
we could be decolorizing
you could be decolorizing
they could be decolorizing	I could have decolorized
you could have decolorized
she could have decolorized
we could have decolorized
you could have decolorized
they could have decolorized	I could have been decolorizing
you could have been decolorizing
she could have been decolorizing
we could have been decolorizing
you could have been decolorizing
they could have been decolorizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't decolorize
you couldn't decolorize
she couldn't decolorize
we couldn't decolorize
you couldn't decolorize
they couldn't decolorize 	I couldn't be decolorizing
you couldn't be decolorizing
she couldn't be decolorizing
we couldn't be decolorizing
you couldn't be decolorizing
they couldn't be decolorizing	I couldn't have decolorized
you couldn't have decolorized
she couldn't have decolorized
we couldn't have decolorized
you couldn't have decolorized
they couldn't have decolorized	I couldn't have been decolorizing
you couldn't have been decolorizing
she couldn't have been decolorizing
we couldn't have been decolorizing
you couldn't have been decolorizing
they couldn't have been decolorizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I decolorize?
could you decolorize?
could she decolorize?
could we decolorize?
could you decolorize?
could they decolorize? 	could I be decolorizing?
could you be decolorizing?
could she be decolorizing?
could we be decolorizing?
could you be decolorizing?
could they be decolorizing? 	could I have decolorized?
could you have decolorized?
could she have decolorized?
could we have decolorized?
could you have decolorized?
could they have decolorized? 	could I have been decolorizing?
could you have been decolorizing?
could she have been decolorizing?
could we have been decolorizing?
could you have been decolorizing?
could they have been decolorizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I decolorize?
couldn't you decolorize?
couldn't she decolorize?
couldn't we decolorize?
couldn't you decolorize?
couldn't they decolorize? 	couldn't I be decolorizing?
couldn't you be decolorizing?
couldn't she be decolorizing?
couldn't we be decolorizing?
couldn't you be decolorizing?
couldn't they be decolorizing? 	couldn't I have decolorized?
couldn't you have decolorized?
couldn't she have decolorized?
couldn't we have decolorized?
couldn't you have decolorized?
couldn't they have decolorized? 	couldn't I have been decolorizing?
couldn't you have been decolorizing?
couldn't she have been decolorizing?
couldn't we have been decolorizing?
couldn't you have been decolorizing?
couldn't they have been decolorizing?