must expound
Verbe régulier : expound - expounded- expounded
Traduction française : exposer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must expound
you must expound
he must expound
we must expound
you must expound
they must expound 	I must be expounding
you must be expounding
he must be expounding
we must be expounding
you must be expounding
they must be expounding	I must have expounded
you must have expounded
he must have expounded
we must have expounded
you must have expounded
they must have expounded	I must have been expounding
you must have been expounding
he must have been expounding
we must have been expounding
you must have been expounding
they must have been expounding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't expound
you mustn't expound
he mustn't expound
we mustn't expound
you mustn't expound
they mustn't expound 	I mustn't be expounding
you mustn't be expounding
he mustn't be expounding
we mustn't be expounding
you mustn't be expounding
they mustn't be expounding	I mustn't have expounded
you mustn't have expounded
he mustn't have expounded
we mustn't have expounded
you mustn't have expounded
they mustn't have expounded	I mustn't have been expounding
you mustn't have been expounding
he mustn't have been expounding
we mustn't have been expounding
you mustn't have been expounding
they mustn't have been expounding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I expound?
must you expound?
must he expound?
must we expound?
must you expound?
must they expound? 	must I be expounding?
must you be expounding?
must he be expounding?
must we be expounding?
must you be expounding?
must they be expounding? 	must I have expounded?
must you have expounded?
must he have expounded?
must we have expounded?
must you have expounded?
must they have expounded? 	must I have been expounding?
must you have been expounding?
must he have been expounding?
must we have been expounding?
must you have been expounding?
must they have been expounding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I expound?
mustn't you expound?
mustn't he expound?
mustn't we expound?
mustn't you expound?
mustn't they expound? 	mustn't I be expounding?
mustn't you be expounding?
mustn't he be expounding?
mustn't we be expounding?
mustn't you be expounding?
mustn't they be expounding? 	mustn't I have expounded?
mustn't you have expounded?
mustn't he have expounded?
mustn't we have expounded?
mustn't you have expounded?
mustn't they have expounded? 	mustn't I have been expounding?
mustn't you have been expounding?
mustn't he have been expounding?
mustn't we have been expounding?
mustn't you have been expounding?
mustn't they have been expounding?