English verb conjugation
MUST PROPOSITION

Regular verb: proposition - propositioned - propositioned

Affirmation

Simple form	V-ing form
I must proposition you must proposition she must proposition we must proposition you must proposition they must proposition	I must be propositioning you must be propositioning she must be propositioning we must be propositioning you must be propositioning they must be propositioning
Perfect	V-ing perfect
I must have propositioned you must have propositioned she must have propositioned we must have propositioned you must have propositioned they must have propositioned	I must have been propositioning you must have been propositioning she must have been propositioning we must have been propositioning you must have been propositioning they must have been propositioning

Negation

Simple form	V-ing form
I must not proposition you must not proposition she must not proposition we must not proposition you must not proposition they must not proposition	I must not be propositioning you must not be propositioning she must not be propositioning we must not be propositioning you must not be propositioning they must not be propositioning
Perfect	V-ing perfect
I must not have propositioned you must not have propositioned she must not have propositioned we must not have propositioned you must not have propositioned they must not have propositioned	I must not have been propositioning you must not have been propositioning she must not have been propositioning we must not have been propositioning you must not have been propositioning they must not have been propositioning

Interrogative form

Simple form	V-ing form
must I proposition? must you proposition? must she proposition? must we proposition? must you proposition? must they proposition?	must I be propositioning? must you be propositioning? must she be propositioning? must we be propositioning? must you be propositioning? must they be propositioning?
Perfect	V-ing perfect
must I have propositioned? must you have propositioned? must she have propositioned? must we have propositioned? must you have propositioned? must they have propositioned?	must I have been propositioning? must you have been propositioning? must she have been propositioning? must we have been propositioning? must you have been propositioning? must they have been propositioning?

Interro-negative form

Simple form	V-ing form
must I not proposition? must you not proposition? must she not proposition? must we not proposition? must you not proposition? must they not proposition?	must I not be propositioning? must you not be propositioning? must she not be propositioning? must we not be propositioning? must you not be propositioning? must they not be propositioning?
Perfect	V-ing perfect
must I not have propositioned? must you not have propositioned? must she not have propositioned? must we not have propositioned? must you not have propositioned? must they not have propositioned?	must I not have been propositioning? must you not have been propositioning? must she not have been propositioning? must we not have been propositioning? must you not have been propositioning? must they not have been propositioning?