must preshow
Irregular verb: preshow - preshowed- preshown

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must preshow
you must preshow
he must preshow
we must preshow
you must preshow
they must preshow 	I must be preshowing
you must be preshowing
he must be preshowing
we must be preshowing
you must be preshowing
they must be preshowing	I must have preshown
you must have preshown
he 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
he must have been preshowing
we must have been preshowing
you must have been preshowing
they must have been preshowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't preshow
you mustn't preshow
he 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
he 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
he 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
he mustn't have been preshowing
we mustn't have been preshowing
you mustn't have been preshowing
they mustn't have been preshowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I preshow?
must you preshow?
must he preshow?
must we preshow?
must you preshow?
must they preshow? 	must I be preshowing?
must you be preshowing?
must he be preshowing?
must we be preshowing?
must you be preshowing?
must they be preshowing? 	must I have preshown?
must you have preshown?
must he 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 he have been preshowing?
must we have been preshowing?
must you have been preshowing?
must they have been preshowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I preshow?
mustn't you preshow?
mustn't he 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 he 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 he 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 he have been preshowing?
mustn't we have been preshowing?
mustn't you have been preshowing?
mustn't they have been preshowing?