must untruss
Verbe régulier : untruss - untrussed- untrussed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must untruss
you must untruss
he must untruss
we must untruss
you must untruss
they must untruss 	I must be untrussing
you must be untrussing
he must be untrussing
we must be untrussing
you must be untrussing
they must be untrussing	I must have untrussed
you must have untrussed
he must have untrussed
we must have untrussed
you must have untrussed
they must have untrussed	I must have been untrussing
you must have been untrussing
he must have been untrussing
we must have been untrussing
you must have been untrussing
they must have been untrussing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't untruss
you mustn't untruss
he mustn't untruss
we mustn't untruss
you mustn't untruss
they mustn't untruss 	I mustn't be untrussing
you mustn't be untrussing
he mustn't be untrussing
we mustn't be untrussing
you mustn't be untrussing
they mustn't be untrussing	I mustn't have untrussed
you mustn't have untrussed
he mustn't have untrussed
we mustn't have untrussed
you mustn't have untrussed
they mustn't have untrussed	I mustn't have been untrussing
you mustn't have been untrussing
he mustn't have been untrussing
we mustn't have been untrussing
you mustn't have been untrussing
they mustn't have been untrussing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I untruss?
must you untruss?
must he untruss?
must we untruss?
must you untruss?
must they untruss? 	must I be untrussing?
must you be untrussing?
must he be untrussing?
must we be untrussing?
must you be untrussing?
must they be untrussing? 	must I have untrussed?
must you have untrussed?
must he have untrussed?
must we have untrussed?
must you have untrussed?
must they have untrussed? 	must I have been untrussing?
must you have been untrussing?
must he have been untrussing?
must we have been untrussing?
must you have been untrussing?
must they have been untrussing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I untruss?
mustn't you untruss?
mustn't he untruss?
mustn't we untruss?
mustn't you untruss?
mustn't they untruss? 	mustn't I be untrussing?
mustn't you be untrussing?
mustn't he be untrussing?
mustn't we be untrussing?
mustn't you be untrussing?
mustn't they be untrussing? 	mustn't I have untrussed?
mustn't you have untrussed?
mustn't he have untrussed?
mustn't we have untrussed?
mustn't you have untrussed?
mustn't they have untrussed? 	mustn't I have been untrussing?
mustn't you have been untrussing?
mustn't he have been untrussing?
mustn't we have been untrussing?
mustn't you have been untrussing?
mustn't they have been untrussing?