must preexpose
Verbe régulier : preexpose - preexposed- preexposed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preexpose
you must preexpose
she must preexpose
we must preexpose
you must preexpose
they must preexpose 	I must be preexposing
you must be preexposing
she must be preexposing
we must be preexposing
you must be preexposing
they must be preexposing	I must have preexposed
you must have preexposed
she must have preexposed
we must have preexposed
you must have preexposed
they must have preexposed	I must have been preexposing
you must have been preexposing
she must have been preexposing
we must have been preexposing
you must have been preexposing
they must have been preexposing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preexpose
you mustn't preexpose
she mustn't preexpose
we mustn't preexpose
you mustn't preexpose
they mustn't preexpose 	I mustn't be preexposing
you mustn't be preexposing
she mustn't be preexposing
we mustn't be preexposing
you mustn't be preexposing
they mustn't be preexposing	I mustn't have preexposed
you mustn't have preexposed
she mustn't have preexposed
we mustn't have preexposed
you mustn't have preexposed
they mustn't have preexposed	I mustn't have been preexposing
you mustn't have been preexposing
she mustn't have been preexposing
we mustn't have been preexposing
you mustn't have been preexposing
they mustn't have been preexposing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preexpose?
must you preexpose?
must she preexpose?
must we preexpose?
must you preexpose?
must they preexpose? 	must I be preexposing?
must you be preexposing?
must she be preexposing?
must we be preexposing?
must you be preexposing?
must they be preexposing? 	must I have preexposed?
must you have preexposed?
must she have preexposed?
must we have preexposed?
must you have preexposed?
must they have preexposed? 	must I have been preexposing?
must you have been preexposing?
must she have been preexposing?
must we have been preexposing?
must you have been preexposing?
must they have been preexposing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preexpose?
mustn't you preexpose?
mustn't she preexpose?
mustn't we preexpose?
mustn't you preexpose?
mustn't they preexpose? 	mustn't I be preexposing?
mustn't you be preexposing?
mustn't she be preexposing?
mustn't we be preexposing?
mustn't you be preexposing?
mustn't they be preexposing? 	mustn't I have preexposed?
mustn't you have preexposed?
mustn't she have preexposed?
mustn't we have preexposed?
mustn't you have preexposed?
mustn't they have preexposed? 	mustn't I have been preexposing?
mustn't you have been preexposing?
mustn't she have been preexposing?
mustn't we have been preexposing?
mustn't you have been preexposing?
mustn't they have been preexposing?