English verb conjugation
MUST FLUX

Regular verb: flux - fluxed - fluxed

Affirmation

Simple form	V-ing form
I must flux you must flux he must flux we must flux you must flux they must flux	I must be fluxing you must be fluxing he must be fluxing we must be fluxing you must be fluxing they must be fluxing
Perfect	V-ing perfect
I must have fluxed you must have fluxed he must have fluxed we must have fluxed you must have fluxed they must have fluxed	I must have been fluxing you must have been fluxing he must have been fluxing we must have been fluxing you must have been fluxing they must have been fluxing

Negation

Simple form	V-ing form
I mustn't flux you mustn't flux he mustn't flux we mustn't flux you mustn't flux they mustn't flux	I mustn't be fluxing you mustn't be fluxing he mustn't be fluxing we mustn't be fluxing you mustn't be fluxing they mustn't be fluxing
Perfect	V-ing perfect
I mustn't have fluxed you mustn't have fluxed he mustn't have fluxed we mustn't have fluxed you mustn't have fluxed they mustn't have fluxed	I mustn't have been fluxing you mustn't have been fluxing he mustn't have been fluxing we mustn't have been fluxing you mustn't have been fluxing they mustn't have been fluxing

Interrogative form

Simple form	V-ing form
must I flux? must you flux? must he flux? must we flux? must you flux? must they flux?	must I be fluxing? must you be fluxing? must he be fluxing? must we be fluxing? must you be fluxing? must they be fluxing?
Perfect	V-ing perfect
must I have fluxed? must you have fluxed? must he have fluxed? must we have fluxed? must you have fluxed? must they have fluxed?	must I have been fluxing? must you have been fluxing? must he have been fluxing? must we have been fluxing? must you have been fluxing? must they have been fluxing?

Interro-negative form

Simple form	V-ing form
mustn't I flux? mustn't you flux? mustn't he flux? mustn't we flux? mustn't you flux? mustn't they flux?	mustn't I be fluxing? mustn't you be fluxing? mustn't he be fluxing? mustn't we be fluxing? mustn't you be fluxing? mustn't they be fluxing?
Perfect	V-ing perfect
mustn't I have fluxed? mustn't you have fluxed? mustn't he have fluxed? mustn't we have fluxed? mustn't you have fluxed? mustn't they have fluxed?	mustn't I have been fluxing? mustn't you have been fluxing? mustn't he have been fluxing? mustn't we have been fluxing? mustn't you have been fluxing? mustn't they have been fluxing?