must vanish
Verbe régulier : vanish - vanished- vanished
Traduction française : disparaître - se dissiper 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must vanish
you must vanish
he must vanish
we must vanish
you must vanish
they must vanish 	I must be vanishing
you must be vanishing
he must be vanishing
we must be vanishing
you must be vanishing
they must be vanishing	I must have vanished
you must have vanished
he must have vanished
we must have vanished
you must have vanished
they must have vanished	I must have been vanishing
you must have been vanishing
he must have been vanishing
we must have been vanishing
you must have been vanishing
they must have been vanishing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't vanish
you mustn't vanish
he mustn't vanish
we mustn't vanish
you mustn't vanish
they mustn't vanish 	I mustn't be vanishing
you mustn't be vanishing
he mustn't be vanishing
we mustn't be vanishing
you mustn't be vanishing
they mustn't be vanishing	I mustn't have vanished
you mustn't have vanished
he mustn't have vanished
we mustn't have vanished
you mustn't have vanished
they mustn't have vanished	I mustn't have been vanishing
you mustn't have been vanishing
he mustn't have been vanishing
we mustn't have been vanishing
you mustn't have been vanishing
they mustn't have been vanishing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I vanish?
must you vanish?
must he vanish?
must we vanish?
must you vanish?
must they vanish? 	must I be vanishing?
must you be vanishing?
must he be vanishing?
must we be vanishing?
must you be vanishing?
must they be vanishing? 	must I have vanished?
must you have vanished?
must he have vanished?
must we have vanished?
must you have vanished?
must they have vanished? 	must I have been vanishing?
must you have been vanishing?
must he have been vanishing?
must we have been vanishing?
must you have been vanishing?
must they have been vanishing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I vanish?
mustn't you vanish?
mustn't he vanish?
mustn't we vanish?
mustn't you vanish?
mustn't they vanish? 	mustn't I be vanishing?
mustn't you be vanishing?
mustn't he be vanishing?
mustn't we be vanishing?
mustn't you be vanishing?
mustn't they be vanishing? 	mustn't I have vanished?
mustn't you have vanished?
mustn't he have vanished?
mustn't we have vanished?
mustn't you have vanished?
mustn't they have vanished? 	mustn't I have been vanishing?
mustn't you have been vanishing?
mustn't he have been vanishing?
mustn't we have been vanishing?
mustn't you have been vanishing?
mustn't they have been vanishing?