must concertize
Verbe régulier : concertize - concertized- concertized

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

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

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

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