must nonplus
Verbe régulier : nonplus - nonplussed- nonplussed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must nonplus
you must nonplus
he must nonplus
we must nonplus
you must nonplus
they must nonplus 	I must be nonplussing
you must be nonplussing
he must be nonplussing
we must be nonplussing
you must be nonplussing
they must be nonplussing	I must have nonplussed
you must have nonplussed
he must have nonplussed
we must have nonplussed
you must have nonplussed
they must have nonplussed	I must have been nonplussing
you must have been nonplussing
he must have been nonplussing
we must have been nonplussing
you must have been nonplussing
they must have been nonplussing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't nonplus
you mustn't nonplus
he mustn't nonplus
we mustn't nonplus
you mustn't nonplus
they mustn't nonplus 	I mustn't be nonplussing
you mustn't be nonplussing
he mustn't be nonplussing
we mustn't be nonplussing
you mustn't be nonplussing
they mustn't be nonplussing	I mustn't have nonplussed
you mustn't have nonplussed
he mustn't have nonplussed
we mustn't have nonplussed
you mustn't have nonplussed
they mustn't have nonplussed	I mustn't have been nonplussing
you mustn't have been nonplussing
he mustn't have been nonplussing
we mustn't have been nonplussing
you mustn't have been nonplussing
they mustn't have been nonplussing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I nonplus?
must you nonplus?
must he nonplus?
must we nonplus?
must you nonplus?
must they nonplus? 	must I be nonplussing?
must you be nonplussing?
must he be nonplussing?
must we be nonplussing?
must you be nonplussing?
must they be nonplussing? 	must I have nonplussed?
must you have nonplussed?
must he have nonplussed?
must we have nonplussed?
must you have nonplussed?
must they have nonplussed? 	must I have been nonplussing?
must you have been nonplussing?
must he have been nonplussing?
must we have been nonplussing?
must you have been nonplussing?
must they have been nonplussing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I nonplus?
mustn't you nonplus?
mustn't he nonplus?
mustn't we nonplus?
mustn't you nonplus?
mustn't they nonplus? 	mustn't I be nonplussing?
mustn't you be nonplussing?
mustn't he be nonplussing?
mustn't we be nonplussing?
mustn't you be nonplussing?
mustn't they be nonplussing? 	mustn't I have nonplussed?
mustn't you have nonplussed?
mustn't he have nonplussed?
mustn't we have nonplussed?
mustn't you have nonplussed?
mustn't they have nonplussed? 	mustn't I have been nonplussing?
mustn't you have been nonplussing?
mustn't he have been nonplussing?
mustn't we have been nonplussing?
mustn't you have been nonplussing?
mustn't they have been nonplussing?