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 must not expound
you must not expound
he must not expound
we must not expound
you must not expound
they must not expound 	I must not be expounding
you must not be expounding
he must not be expounding
we must not be expounding
you must not be expounding
they must not be expounding	I must not have expounded
you must not have expounded
he must not have expounded
we must not have expounded
you must not have expounded
they must not have expounded	I must not have been expounding
you must not have been expounding
he must not have been expounding
we must not have been expounding
you must not have been expounding
they must not 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 	
must I not expound?
must you not expound?
must he not expound?
must we not expound?
must you not expound?
must they not expound? 	must I not be expounding?
must you not be expounding?
must he not be expounding?
must we not be expounding?
must you not be expounding?
must they not be expounding? 	must I not have expounded?
must you not have expounded?
must he not have expounded?
must we not have expounded?
must you not have expounded?
must they not have expounded? 	must I not have been expounding?
must you not have been expounding?
must he not have been expounding?
must we not have been expounding?
must you not have been expounding?
must they not have been expounding?