must sputter
Verbe régulier : sputter - sputtered- sputtered
Traduction française : toussoter - bredouiller 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sputter
you must sputter
she must sputter
we must sputter
you must sputter
they must sputter 	I must be sputtering
you must be sputtering
she must be sputtering
we must be sputtering
you must be sputtering
they must be sputtering	I must have sputtered
you must have sputtered
she must have sputtered
we must have sputtered
you must have sputtered
they must have sputtered	I must have been sputtering
you must have been sputtering
she must have been sputtering
we must have been sputtering
you must have been sputtering
they must have been sputtering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sputter
you mustn't sputter
she mustn't sputter
we mustn't sputter
you mustn't sputter
they mustn't sputter 	I mustn't be sputtering
you mustn't be sputtering
she mustn't be sputtering
we mustn't be sputtering
you mustn't be sputtering
they mustn't be sputtering	I mustn't have sputtered
you mustn't have sputtered
she mustn't have sputtered
we mustn't have sputtered
you mustn't have sputtered
they mustn't have sputtered	I mustn't have been sputtering
you mustn't have been sputtering
she mustn't have been sputtering
we mustn't have been sputtering
you mustn't have been sputtering
they mustn't have been sputtering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sputter?
must you sputter?
must she sputter?
must we sputter?
must you sputter?
must they sputter? 	must I be sputtering?
must you be sputtering?
must she be sputtering?
must we be sputtering?
must you be sputtering?
must they be sputtering? 	must I have sputtered?
must you have sputtered?
must she have sputtered?
must we have sputtered?
must you have sputtered?
must they have sputtered? 	must I have been sputtering?
must you have been sputtering?
must she have been sputtering?
must we have been sputtering?
must you have been sputtering?
must they have been sputtering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sputter?
mustn't you sputter?
mustn't she sputter?
mustn't we sputter?
mustn't you sputter?
mustn't they sputter? 	mustn't I be sputtering?
mustn't you be sputtering?
mustn't she be sputtering?
mustn't we be sputtering?
mustn't you be sputtering?
mustn't they be sputtering? 	mustn't I have sputtered?
mustn't you have sputtered?
mustn't she have sputtered?
mustn't we have sputtered?
mustn't you have sputtered?
mustn't they have sputtered? 	mustn't I have been sputtering?
mustn't you have been sputtering?
mustn't she have been sputtering?
mustn't we have been sputtering?
mustn't you have been sputtering?
mustn't they have been sputtering?