must preshow
Verbo irregular: preshow - preshowed- preshown

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not preshow
you must not preshow
he must not preshow
we must not preshow
you must not preshow
they must not preshow 	I must not be preshowing
you must not be preshowing
he must not be preshowing
we must not be preshowing
you must not be preshowing
they must not be preshowing	I must not have preshown
you must not have preshown
he must not have preshown
we must not have preshown
you must not have preshown
they must not have preshown	I must not have been preshowing
you must not have been preshowing
he must not have been preshowing
we must not have been preshowing
you must not have been preshowing
they must not have been preshowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not preshow?
must you not preshow?
must he not preshow?
must we not preshow?
must you not preshow?
must they not preshow? 	must I not be preshowing?
must you not be preshowing?
must he not be preshowing?
must we not be preshowing?
must you not be preshowing?
must they not be preshowing? 	must I not have preshown?
must you not have preshown?
must he not have preshown?
must we not have preshown?
must you not have preshown?
must they not have preshown? 	must I not have been preshowing?
must you not have been preshowing?
must he not have been preshowing?
must we not have been preshowing?
must you not have been preshowing?
must they not have been preshowing?