English verb conjugation
MUST PRESHOW

Irregular verb: preshow - preshowed - preshown

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?