English verb conjugation
MUST PROPOSITION

Regular verb: proposition - propositioned - propositioned

Affirmation

Simple form	V-ing form
I must proposition you must proposition he must proposition we must proposition you must proposition they must proposition	I must be propositioning you must be propositioning he 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 he 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 he 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 mustn't proposition you mustn't proposition he mustn't proposition we mustn't proposition you mustn't proposition they mustn't proposition	I mustn't be propositioning you mustn't be propositioning he mustn't be propositioning we mustn't be propositioning you mustn't be propositioning they mustn't be propositioning
Perfect	V-ing perfect
I mustn't have propositioned you mustn't have propositioned he mustn't have propositioned we mustn't have propositioned you mustn't have propositioned they mustn't have propositioned	I mustn't have been propositioning you mustn't have been propositioning he mustn't have been propositioning we mustn't have been propositioning you mustn't have been propositioning they mustn't have been propositioning

Interrogative form

Simple form	V-ing form
must I proposition? must you proposition? must he proposition? must we proposition? must you proposition? must they proposition?	must I be propositioning? must you be propositioning? must he 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 he 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 he 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
mustn't I proposition? mustn't you proposition? mustn't he proposition? mustn't we proposition? mustn't you proposition? mustn't they proposition?	mustn't I be propositioning? mustn't you be propositioning? mustn't he be propositioning? mustn't we be propositioning? mustn't you be propositioning? mustn't they be propositioning?
Perfect	V-ing perfect
mustn't I have propositioned? mustn't you have propositioned? mustn't he have propositioned? mustn't we have propositioned? mustn't you have propositioned? mustn't they have propositioned?	mustn't I have been propositioning? mustn't you have been propositioning? mustn't he have been propositioning? mustn't we have been propositioning? mustn't you have been propositioning? mustn't they have been propositioning?