English verb conjugation
MUST BRUX

Regular verb: brux - bruxed - bruxed

Affirmation

Simple form	V-ing form
I must brux you must brux he must brux we must brux you must brux they must brux	I must be bruxing you must be bruxing he must be bruxing we must be bruxing you must be bruxing they must be bruxing
Perfect	V-ing perfect
I must have bruxed you must have bruxed he must have bruxed we must have bruxed you must have bruxed they must have bruxed	I must have been bruxing you must have been bruxing he must have been bruxing we must have been bruxing you must have been bruxing they must have been bruxing

Negation

Simple form	V-ing form
I mustn't brux you mustn't brux he mustn't brux we mustn't brux you mustn't brux they mustn't brux	I mustn't be bruxing you mustn't be bruxing he mustn't be bruxing we mustn't be bruxing you mustn't be bruxing they mustn't be bruxing
Perfect	V-ing perfect
I mustn't have bruxed you mustn't have bruxed he mustn't have bruxed we mustn't have bruxed you mustn't have bruxed they mustn't have bruxed	I mustn't have been bruxing you mustn't have been bruxing he mustn't have been bruxing we mustn't have been bruxing you mustn't have been bruxing they mustn't have been bruxing

Interrogative form

Simple form	V-ing form
must I brux? must you brux? must he brux? must we brux? must you brux? must they brux?	must I be bruxing? must you be bruxing? must he be bruxing? must we be bruxing? must you be bruxing? must they be bruxing?
Perfect	V-ing perfect
must I have bruxed? must you have bruxed? must he have bruxed? must we have bruxed? must you have bruxed? must they have bruxed?	must I have been bruxing? must you have been bruxing? must he have been bruxing? must we have been bruxing? must you have been bruxing? must they have been bruxing?

Interro-negative form

Simple form	V-ing form
mustn't I brux? mustn't you brux? mustn't he brux? mustn't we brux? mustn't you brux? mustn't they brux?	mustn't I be bruxing? mustn't you be bruxing? mustn't he be bruxing? mustn't we be bruxing? mustn't you be bruxing? mustn't they be bruxing?
Perfect	V-ing perfect
mustn't I have bruxed? mustn't you have bruxed? mustn't he have bruxed? mustn't we have bruxed? mustn't you have bruxed? mustn't they have bruxed?	mustn't I have been bruxing? mustn't you have been bruxing? mustn't he have been bruxing? mustn't we have been bruxing? mustn't you have been bruxing? mustn't they have been bruxing?