English verb conjugation
MUST DISINTEGRATE

Regular verb: disintegrate - disintegrated - disintegrated

Affirmation

Simple form	V-ing form
I must disintegrate you must disintegrate he must disintegrate we must disintegrate you must disintegrate they must disintegrate	I must be disintegrating you must be disintegrating he must be disintegrating we must be disintegrating you must be disintegrating they must be disintegrating
Perfect	V-ing perfect
I must have disintegrated you must have disintegrated he must have disintegrated we must have disintegrated you must have disintegrated they must have disintegrated	I must have been disintegrating you must have been disintegrating he must have been disintegrating we must have been disintegrating you must have been disintegrating they must have been disintegrating

Negation

Simple form	V-ing form
I mustn't disintegrate you mustn't disintegrate he mustn't disintegrate we mustn't disintegrate you mustn't disintegrate they mustn't disintegrate	I mustn't be disintegrating you mustn't be disintegrating he mustn't be disintegrating we mustn't be disintegrating you mustn't be disintegrating they mustn't be disintegrating
Perfect	V-ing perfect
I mustn't have disintegrated you mustn't have disintegrated he mustn't have disintegrated we mustn't have disintegrated you mustn't have disintegrated they mustn't have disintegrated	I mustn't have been disintegrating you mustn't have been disintegrating he mustn't have been disintegrating we mustn't have been disintegrating you mustn't have been disintegrating they mustn't have been disintegrating

Interrogative form

Simple form	V-ing form
must I disintegrate? must you disintegrate? must he disintegrate? must we disintegrate? must you disintegrate? must they disintegrate?	must I be disintegrating? must you be disintegrating? must he be disintegrating? must we be disintegrating? must you be disintegrating? must they be disintegrating?
Perfect	V-ing perfect
must I have disintegrated? must you have disintegrated? must he have disintegrated? must we have disintegrated? must you have disintegrated? must they have disintegrated?	must I have been disintegrating? must you have been disintegrating? must he have been disintegrating? must we have been disintegrating? must you have been disintegrating? must they have been disintegrating?

Interro-negative form

Simple form	V-ing form
mustn't I disintegrate? mustn't you disintegrate? mustn't he disintegrate? mustn't we disintegrate? mustn't you disintegrate? mustn't they disintegrate?	mustn't I be disintegrating? mustn't you be disintegrating? mustn't he be disintegrating? mustn't we be disintegrating? mustn't you be disintegrating? mustn't they be disintegrating?
Perfect	V-ing perfect
mustn't I have disintegrated? mustn't you have disintegrated? mustn't he have disintegrated? mustn't we have disintegrated? mustn't you have disintegrated? mustn't they have disintegrated?	mustn't I have been disintegrating? mustn't you have been disintegrating? mustn't he have been disintegrating? mustn't we have been disintegrating? mustn't you have been disintegrating? mustn't they have been disintegrating?