can concertize
Verbe régulier : concertize - concertized- concertized

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

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

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

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