must sound
Verbe régulier : sound - sounded- sounded
Traduction française : sonner - sonner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sound
you must sound
he must sound
we must sound
you must sound
they must sound 	I must be sounding
you must be sounding
he must be sounding
we must be sounding
you must be sounding
they must be sounding	I must have sounded
you must have sounded
he must have sounded
we must have sounded
you must have sounded
they must have sounded	I must have been sounding
you must have been sounding
he must have been sounding
we must have been sounding
you must have been sounding
they must have been sounding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sound
you mustn't sound
he mustn't sound
we mustn't sound
you mustn't sound
they mustn't sound 	I mustn't be sounding
you mustn't be sounding
he mustn't be sounding
we mustn't be sounding
you mustn't be sounding
they mustn't be sounding	I mustn't have sounded
you mustn't have sounded
he mustn't have sounded
we mustn't have sounded
you mustn't have sounded
they mustn't have sounded	I mustn't have been sounding
you mustn't have been sounding
he mustn't have been sounding
we mustn't have been sounding
you mustn't have been sounding
they mustn't have been sounding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sound?
must you sound?
must he sound?
must we sound?
must you sound?
must they sound? 	must I be sounding?
must you be sounding?
must he be sounding?
must we be sounding?
must you be sounding?
must they be sounding? 	must I have sounded?
must you have sounded?
must he have sounded?
must we have sounded?
must you have sounded?
must they have sounded? 	must I have been sounding?
must you have been sounding?
must he have been sounding?
must we have been sounding?
must you have been sounding?
must they have been sounding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sound?
mustn't you sound?
mustn't he sound?
mustn't we sound?
mustn't you sound?
mustn't they sound? 	mustn't I be sounding?
mustn't you be sounding?
mustn't he be sounding?
mustn't we be sounding?
mustn't you be sounding?
mustn't they be sounding? 	mustn't I have sounded?
mustn't you have sounded?
mustn't he have sounded?
mustn't we have sounded?
mustn't you have sounded?
mustn't they have sounded? 	mustn't I have been sounding?
mustn't you have been sounding?
mustn't he have been sounding?
mustn't we have been sounding?
mustn't you have been sounding?
mustn't they have been sounding?