must chamber
Verbe régulier : chamber - chambered- chambered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must chamber
you must chamber
he must chamber
we must chamber
you must chamber
they must chamber 	I must be chambering
you must be chambering
he must be chambering
we must be chambering
you must be chambering
they must be chambering	I must have chambered
you must have chambered
he must have chambered
we must have chambered
you must have chambered
they must have chambered	I must have been chambering
you must have been chambering
he must have been chambering
we must have been chambering
you must have been chambering
they must have been chambering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't chamber
you mustn't chamber
he mustn't chamber
we mustn't chamber
you mustn't chamber
they mustn't chamber 	I mustn't be chambering
you mustn't be chambering
he mustn't be chambering
we mustn't be chambering
you mustn't be chambering
they mustn't be chambering	I mustn't have chambered
you mustn't have chambered
he mustn't have chambered
we mustn't have chambered
you mustn't have chambered
they mustn't have chambered	I mustn't have been chambering
you mustn't have been chambering
he mustn't have been chambering
we mustn't have been chambering
you mustn't have been chambering
they mustn't have been chambering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I chamber?
must you chamber?
must he chamber?
must we chamber?
must you chamber?
must they chamber? 	must I be chambering?
must you be chambering?
must he be chambering?
must we be chambering?
must you be chambering?
must they be chambering? 	must I have chambered?
must you have chambered?
must he have chambered?
must we have chambered?
must you have chambered?
must they have chambered? 	must I have been chambering?
must you have been chambering?
must he have been chambering?
must we have been chambering?
must you have been chambering?
must they have been chambering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I chamber?
mustn't you chamber?
mustn't he chamber?
mustn't we chamber?
mustn't you chamber?
mustn't they chamber? 	mustn't I be chambering?
mustn't you be chambering?
mustn't he be chambering?
mustn't we be chambering?
mustn't you be chambering?
mustn't they be chambering? 	mustn't I have chambered?
mustn't you have chambered?
mustn't he have chambered?
mustn't we have chambered?
mustn't you have chambered?
mustn't they have chambered? 	mustn't I have been chambering?
mustn't you have been chambering?
mustn't he have been chambering?
mustn't we have been chambering?
mustn't you have been chambering?
mustn't they have been chambering?