English verb conjugation
MUST PREFORMULATE

Regular verb: preformulate - preformulated - preformulated

Affirmation

Simple form	V-ing form
I must preformulate you must preformulate she must preformulate we must preformulate you must preformulate they must preformulate	I must be preformulating you must be preformulating she must be preformulating we must be preformulating you must be preformulating they must be preformulating
Perfect	V-ing perfect
I must have preformulated you must have preformulated she must have preformulated we must have preformulated you must have preformulated they must have preformulated	I must have been preformulating you must have been preformulating she must have been preformulating we must have been preformulating you must have been preformulating they must have been preformulating

Negation

Simple form	V-ing form
I must not preformulate you must not preformulate she must not preformulate we must not preformulate you must not preformulate they must not preformulate	I must not be preformulating you must not be preformulating she must not be preformulating we must not be preformulating you must not be preformulating they must not be preformulating
Perfect	V-ing perfect
I must not have preformulated you must not have preformulated she must not have preformulated we must not have preformulated you must not have preformulated they must not have preformulated	I must not have been preformulating you must not have been preformulating she must not have been preformulating we must not have been preformulating you must not have been preformulating they must not have been preformulating

Interrogative form

Simple form	V-ing form
must I preformulate? must you preformulate? must she preformulate? must we preformulate? must you preformulate? must they preformulate?	must I be preformulating? must you be preformulating? must she be preformulating? must we be preformulating? must you be preformulating? must they be preformulating?
Perfect	V-ing perfect
must I have preformulated? must you have preformulated? must she have preformulated? must we have preformulated? must you have preformulated? must they have preformulated?	must I have been preformulating? must you have been preformulating? must she have been preformulating? must we have been preformulating? must you have been preformulating? must they have been preformulating?

Interro-negative form

Simple form	V-ing form
must I not preformulate? must you not preformulate? must she not preformulate? must we not preformulate? must you not preformulate? must they not preformulate?	must I not be preformulating? must you not be preformulating? must she not be preformulating? must we not be preformulating? must you not be preformulating? must they not be preformulating?
Perfect	V-ing perfect
must I not have preformulated? must you not have preformulated? must she not have preformulated? must we not have preformulated? must you not have preformulated? must they not have preformulated?	must I not have been preformulating? must you not have been preformulating? must she not have been preformulating? must we not have been preformulating? must you not have been preformulating? must they not have been preformulating?