must overdub
Verbe régulier : overdub - overdubed- overdubed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must overdub
you must overdub
he must overdub
we must overdub
you must overdub
they must overdub 	I must be overdubing
you must be overdubing
he must be overdubing
we must be overdubing
you must be overdubing
they must be overdubing	I must have overdubed
you must have overdubed
he must have overdubed
we must have overdubed
you must have overdubed
they must have overdubed	I must have been overdubing
you must have been overdubing
he must have been overdubing
we must have been overdubing
you must have been overdubing
they must have been overdubing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't overdub
you mustn't overdub
he mustn't overdub
we mustn't overdub
you mustn't overdub
they mustn't overdub 	I mustn't be overdubing
you mustn't be overdubing
he mustn't be overdubing
we mustn't be overdubing
you mustn't be overdubing
they mustn't be overdubing	I mustn't have overdubed
you mustn't have overdubed
he mustn't have overdubed
we mustn't have overdubed
you mustn't have overdubed
they mustn't have overdubed	I mustn't have been overdubing
you mustn't have been overdubing
he mustn't have been overdubing
we mustn't have been overdubing
you mustn't have been overdubing
they mustn't have been overdubing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I overdub?
must you overdub?
must he overdub?
must we overdub?
must you overdub?
must they overdub? 	must I be overdubing?
must you be overdubing?
must he be overdubing?
must we be overdubing?
must you be overdubing?
must they be overdubing? 	must I have overdubed?
must you have overdubed?
must he have overdubed?
must we have overdubed?
must you have overdubed?
must they have overdubed? 	must I have been overdubing?
must you have been overdubing?
must he have been overdubing?
must we have been overdubing?
must you have been overdubing?
must they have been overdubing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I overdub?
mustn't you overdub?
mustn't he overdub?
mustn't we overdub?
mustn't you overdub?
mustn't they overdub? 	mustn't I be overdubing?
mustn't you be overdubing?
mustn't he be overdubing?
mustn't we be overdubing?
mustn't you be overdubing?
mustn't they be overdubing? 	mustn't I have overdubed?
mustn't you have overdubed?
mustn't he have overdubed?
mustn't we have overdubed?
mustn't you have overdubed?
mustn't they have overdubed? 	mustn't I have been overdubing?
mustn't you have been overdubing?
mustn't he have been overdubing?
mustn't we have been overdubing?
mustn't you have been overdubing?
mustn't they have been overdubing?