must mutter
Verbe régulier : mutter - muttered- muttered
Traduction française : marmonner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must mutter
you must mutter
he must mutter
we must mutter
you must mutter
they must mutter 	I must be muttering
you must be muttering
he must be muttering
we must be muttering
you must be muttering
they must be muttering	I must have muttered
you must have muttered
he must have muttered
we must have muttered
you must have muttered
they must have muttered	I must have been muttering
you must have been muttering
he must have been muttering
we must have been muttering
you must have been muttering
they must have been muttering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't mutter
you mustn't mutter
he mustn't mutter
we mustn't mutter
you mustn't mutter
they mustn't mutter 	I mustn't be muttering
you mustn't be muttering
he mustn't be muttering
we mustn't be muttering
you mustn't be muttering
they mustn't be muttering	I mustn't have muttered
you mustn't have muttered
he mustn't have muttered
we mustn't have muttered
you mustn't have muttered
they mustn't have muttered	I mustn't have been muttering
you mustn't have been muttering
he mustn't have been muttering
we mustn't have been muttering
you mustn't have been muttering
they mustn't have been muttering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I mutter?
must you mutter?
must he mutter?
must we mutter?
must you mutter?
must they mutter? 	must I be muttering?
must you be muttering?
must he be muttering?
must we be muttering?
must you be muttering?
must they be muttering? 	must I have muttered?
must you have muttered?
must he have muttered?
must we have muttered?
must you have muttered?
must they have muttered? 	must I have been muttering?
must you have been muttering?
must he have been muttering?
must we have been muttering?
must you have been muttering?
must they have been muttering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I mutter?
mustn't you mutter?
mustn't he mutter?
mustn't we mutter?
mustn't you mutter?
mustn't they mutter? 	mustn't I be muttering?
mustn't you be muttering?
mustn't he be muttering?
mustn't we be muttering?
mustn't you be muttering?
mustn't they be muttering? 	mustn't I have muttered?
mustn't you have muttered?
mustn't he have muttered?
mustn't we have muttered?
mustn't you have muttered?
mustn't they have muttered? 	mustn't I have been muttering?
mustn't you have been muttering?
mustn't he have been muttering?
mustn't we have been muttering?
mustn't you have been muttering?
mustn't they have been muttering?