could concretize
Verbe régulier : concretize - concretized- concretized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could concretize
you could concretize
she could concretize
we could concretize
you could concretize
they could concretize 	I could be concretizing
you could be concretizing
she could be concretizing
we could be concretizing
you could be concretizing
they could be concretizing	I could have concretized
you could have concretized
she could have concretized
we could have concretized
you could have concretized
they could have concretized	I could have been concretizing
you could have been concretizing
she could have been concretizing
we could have been concretizing
you could have been concretizing
they could have been concretizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not concretize
you could not concretize
she could not concretize
we could not concretize
you could not concretize
they could not concretize 	I could not be concretizing
you could not be concretizing
she could not be concretizing
we could not be concretizing
you could not be concretizing
they could not be concretizing	I could not have concretized
you could not have concretized
she could not have concretized
we could not have concretized
you could not have concretized
they could not have concretized	I could not have been concretizing
you could not have been concretizing
she could not have been concretizing
we could not have been concretizing
you could not have been concretizing
they could not have been concretizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I concretize?
could you concretize?
could she concretize?
could we concretize?
could you concretize?
could they concretize? 	could I be concretizing?
could you be concretizing?
could she be concretizing?
could we be concretizing?
could you be concretizing?
could they be concretizing? 	could I have concretized?
could you have concretized?
could she have concretized?
could we have concretized?
could you have concretized?
could they have concretized? 	could I have been concretizing?
could you have been concretizing?
could she have been concretizing?
could we have been concretizing?
could you have been concretizing?
could they have been concretizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not concretize?
could you not concretize?
could she not concretize?
could we not concretize?
could you not concretize?
could they not concretize? 	could I not be concretizing?
could you not be concretizing?
could she not be concretizing?
could we not be concretizing?
could you not be concretizing?
could they not be concretizing? 	could I not have concretized?
could you not have concretized?
could she not have concretized?
could we not have concretized?
could you not have concretized?
could they not have concretized? 	could I not have been concretizing?
could you not have been concretizing?
could she not have been concretizing?
could we not have been concretizing?
could you not have been concretizing?
could they not have been concretizing?