must preshow
Verbe irrégulier : preshow - preshowed- preshown

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preshow
you must preshow
she must preshow
we must preshow
you must preshow
they must preshow 	I must be preshowing
you must be preshowing
she must be preshowing
we must be preshowing
you must be preshowing
they must be preshowing	I must have preshown
you must have preshown
she must have preshown
we must have preshown
you must have preshown
they must have preshown	I must have been preshowing
you must have been preshowing
she must have been preshowing
we must have been preshowing
you must have been preshowing
they must have been preshowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preshow
you mustn't preshow
she mustn't preshow
we mustn't preshow
you mustn't preshow
they mustn't preshow 	I mustn't be preshowing
you mustn't be preshowing
she mustn't be preshowing
we mustn't be preshowing
you mustn't be preshowing
they mustn't be preshowing	I mustn't have preshown
you mustn't have preshown
she mustn't have preshown
we mustn't have preshown
you mustn't have preshown
they mustn't have preshown	I mustn't have been preshowing
you mustn't have been preshowing
she mustn't have been preshowing
we mustn't have been preshowing
you mustn't have been preshowing
they mustn't have been preshowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preshow?
must you preshow?
must she preshow?
must we preshow?
must you preshow?
must they preshow? 	must I be preshowing?
must you be preshowing?
must she be preshowing?
must we be preshowing?
must you be preshowing?
must they be preshowing? 	must I have preshown?
must you have preshown?
must she have preshown?
must we have preshown?
must you have preshown?
must they have preshown? 	must I have been preshowing?
must you have been preshowing?
must she have been preshowing?
must we have been preshowing?
must you have been preshowing?
must they have been preshowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preshow?
mustn't you preshow?
mustn't she preshow?
mustn't we preshow?
mustn't you preshow?
mustn't they preshow? 	mustn't I be preshowing?
mustn't you be preshowing?
mustn't she be preshowing?
mustn't we be preshowing?
mustn't you be preshowing?
mustn't they be preshowing? 	mustn't I have preshown?
mustn't you have preshown?
mustn't she have preshown?
mustn't we have preshown?
mustn't you have preshown?
mustn't they have preshown? 	mustn't I have been preshowing?
mustn't you have been preshowing?
mustn't she have been preshowing?
mustn't we have been preshowing?
mustn't you have been preshowing?
mustn't they have been preshowing?