English verb conjugation
MUST BILLET

Regular verb: billet - billeted - billeted

Affirmation

Simple form	V-ing form
I must billet you must billet he must billet we must billet you must billet they must billet	I must be billeting you must be billeting he must be billeting we must be billeting you must be billeting they must be billeting
Perfect	V-ing perfect
I must have billeted you must have billeted he must have billeted we must have billeted you must have billeted they must have billeted	I must have been billeting you must have been billeting he must have been billeting we must have been billeting you must have been billeting they must have been billeting

Negation

Simple form	V-ing form
I mustn't billet you mustn't billet he mustn't billet we mustn't billet you mustn't billet they mustn't billet	I mustn't be billeting you mustn't be billeting he mustn't be billeting we mustn't be billeting you mustn't be billeting they mustn't be billeting
Perfect	V-ing perfect
I mustn't have billeted you mustn't have billeted he mustn't have billeted we mustn't have billeted you mustn't have billeted they mustn't have billeted	I mustn't have been billeting you mustn't have been billeting he mustn't have been billeting we mustn't have been billeting you mustn't have been billeting they mustn't have been billeting

Interrogative form

Simple form	V-ing form
must I billet? must you billet? must he billet? must we billet? must you billet? must they billet?	must I be billeting? must you be billeting? must he be billeting? must we be billeting? must you be billeting? must they be billeting?
Perfect	V-ing perfect
must I have billeted? must you have billeted? must he have billeted? must we have billeted? must you have billeted? must they have billeted?	must I have been billeting? must you have been billeting? must he have been billeting? must we have been billeting? must you have been billeting? must they have been billeting?

Interro-negative form

Simple form	V-ing form
mustn't I billet? mustn't you billet? mustn't he billet? mustn't we billet? mustn't you billet? mustn't they billet?	mustn't I be billeting? mustn't you be billeting? mustn't he be billeting? mustn't we be billeting? mustn't you be billeting? mustn't they be billeting?
Perfect	V-ing perfect
mustn't I have billeted? mustn't you have billeted? mustn't he have billeted? mustn't we have billeted? mustn't you have billeted? mustn't they have billeted?	mustn't I have been billeting? mustn't you have been billeting? mustn't he have been billeting? mustn't we have been billeting? mustn't you have been billeting? mustn't they have been billeting?