English verb conjugation
MUST CLOSURE

Regular verb: closure - closured - closured

Affirmation

Simple form	V-ing form
I must closure you must closure he must closure we must closure you must closure they must closure	I must be closuring you must be closuring he must be closuring we must be closuring you must be closuring they must be closuring
Perfect	V-ing perfect
I must have closured you must have closured he must have closured we must have closured you must have closured they must have closured	I must have been closuring you must have been closuring he must have been closuring we must have been closuring you must have been closuring they must have been closuring

Negation

Simple form	V-ing form
I mustn't closure you mustn't closure he mustn't closure we mustn't closure you mustn't closure they mustn't closure	I mustn't be closuring you mustn't be closuring he mustn't be closuring we mustn't be closuring you mustn't be closuring they mustn't be closuring
Perfect	V-ing perfect
I mustn't have closured you mustn't have closured he mustn't have closured we mustn't have closured you mustn't have closured they mustn't have closured	I mustn't have been closuring you mustn't have been closuring he mustn't have been closuring we mustn't have been closuring you mustn't have been closuring they mustn't have been closuring

Interrogative form

Simple form	V-ing form
must I closure? must you closure? must he closure? must we closure? must you closure? must they closure?	must I be closuring? must you be closuring? must he be closuring? must we be closuring? must you be closuring? must they be closuring?
Perfect	V-ing perfect
must I have closured? must you have closured? must he have closured? must we have closured? must you have closured? must they have closured?	must I have been closuring? must you have been closuring? must he have been closuring? must we have been closuring? must you have been closuring? must they have been closuring?

Interro-negative form

Simple form	V-ing form
mustn't I closure? mustn't you closure? mustn't he closure? mustn't we closure? mustn't you closure? mustn't they closure?	mustn't I be closuring? mustn't you be closuring? mustn't he be closuring? mustn't we be closuring? mustn't you be closuring? mustn't they be closuring?
Perfect	V-ing perfect
mustn't I have closured? mustn't you have closured? mustn't he have closured? mustn't we have closured? mustn't you have closured? mustn't they have closured?	mustn't I have been closuring? mustn't you have been closuring? mustn't he have been closuring? mustn't we have been closuring? mustn't you have been closuring? mustn't they have been closuring?