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 can't concertize
you can't concertize
she can't concertize
we can't concertize
you can't concertize
they can't concertize 	I can't be concertizing
you can't be concertizing
she can't be concertizing
we can't be concertizing
you can't be concertizing
they can't be concertizing	I can't have concertized
you can't have concertized
she can't have concertized
we can't have concertized
you can't have concertized
they can't have concertized	I can't have been concertizing
you can't have been concertizing
she can't have been concertizing
we can't have been concertizing
you can't have been concertizing
they can't 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't I concertize?
can't you concertize?
can't she concertize?
can't we concertize?
can't you concertize?
can't they concertize? 	can't I be concertizing?
can't you be concertizing?
can't she be concertizing?
can't we be concertizing?
can't you be concertizing?
can't they be concertizing? 	can't I have concertized?
can't you have concertized?
can't she have concertized?
can't we have concertized?
can't you have concertized?
can't they have concertized? 	can't I have been concertizing?
can't you have been concertizing?
can't she have been concertizing?
can't we have been concertizing?
can't you have been concertizing?
can't they have been concertizing?