could concertize
Verbe régulier : concertize - concertized- concertized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could concertize
you could concertize
she could concertize
we could concertize
you could concertize
they could concertize 	I could be concertizing
you could be concertizing
she could be concertizing
we could be concertizing
you could be concertizing
they could be concertizing	I could have concertized
you could have concertized
she could have concertized
we could have concertized
you could have concertized
they could have concertized	I could have been concertizing
you could have been concertizing
she could have been concertizing
we could have been concertizing
you could have been concertizing
they could have been concertizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not concertize
you could not concertize
she could not concertize
we could not concertize
you could not concertize
they could not concertize 	I could not be concertizing
you could not be concertizing
she could not be concertizing
we could not be concertizing
you could not be concertizing
they could not be concertizing	I could not have concertized
you could not have concertized
she could not have concertized
we could not have concertized
you could not have concertized
they could not have concertized	I could not have been concertizing
you could not have been concertizing
she could not have been concertizing
we could not have been concertizing
you could not have been concertizing
they could not have been concertizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I concertize?
could you concertize?
could she concertize?
could we concertize?
could you concertize?
could they concertize? 	could I be concertizing?
could you be concertizing?
could she be concertizing?
could we be concertizing?
could you be concertizing?
could they be concertizing? 	could I have concertized?
could you have concertized?
could she have concertized?
could we have concertized?
could you have concertized?
could they have concertized? 	could I have been concertizing?
could you have been concertizing?
could she have been concertizing?
could we have been concertizing?
could you have been concertizing?
could they have been concertizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not concertize?
could you not concertize?
could she not concertize?
could we not concertize?
could you not concertize?
could they not concertize? 	could I not be concertizing?
could you not be concertizing?
could she not be concertizing?
could we not be concertizing?
could you not be concertizing?
could they not be concertizing? 	could I not have concertized?
could you not have concertized?
could she not have concertized?
could we not have concertized?
could you not have concertized?
could they not have concertized? 	could I not have been concertizing?
could you not have been concertizing?
could she not have been concertizing?
could we not have been concertizing?
could you not have been concertizing?
could they not have been concertizing?