English verb conjugation
MUST DEVOCALIZE

Regular verb: devocalize - devocalized - devocalized

Affirmation

Simple form	V-ing form
I must devocalize you must devocalize he must devocalize we must devocalize you must devocalize they must devocalize	I must be devocalizing you must be devocalizing he must be devocalizing we must be devocalizing you must be devocalizing they must be devocalizing
Perfect	V-ing perfect
I must have devocalized you must have devocalized he must have devocalized we must have devocalized you must have devocalized they must have devocalized	I must have been devocalizing you must have been devocalizing he must have been devocalizing we must have been devocalizing you must have been devocalizing they must have been devocalizing

Negation

Simple form	V-ing form
I mustn't devocalize you mustn't devocalize he mustn't devocalize we mustn't devocalize you mustn't devocalize they mustn't devocalize	I mustn't be devocalizing you mustn't be devocalizing he mustn't be devocalizing we mustn't be devocalizing you mustn't be devocalizing they mustn't be devocalizing
Perfect	V-ing perfect
I mustn't have devocalized you mustn't have devocalized he mustn't have devocalized we mustn't have devocalized you mustn't have devocalized they mustn't have devocalized	I mustn't have been devocalizing you mustn't have been devocalizing he mustn't have been devocalizing we mustn't have been devocalizing you mustn't have been devocalizing they mustn't have been devocalizing

Interrogative form

Simple form	V-ing form
must I devocalize? must you devocalize? must he devocalize? must we devocalize? must you devocalize? must they devocalize?	must I be devocalizing? must you be devocalizing? must he be devocalizing? must we be devocalizing? must you be devocalizing? must they be devocalizing?
Perfect	V-ing perfect
must I have devocalized? must you have devocalized? must he have devocalized? must we have devocalized? must you have devocalized? must they have devocalized?	must I have been devocalizing? must you have been devocalizing? must he have been devocalizing? must we have been devocalizing? must you have been devocalizing? must they have been devocalizing?

Interro-negative form

Simple form	V-ing form
mustn't I devocalize? mustn't you devocalize? mustn't he devocalize? mustn't we devocalize? mustn't you devocalize? mustn't they devocalize?	mustn't I be devocalizing? mustn't you be devocalizing? mustn't he be devocalizing? mustn't we be devocalizing? mustn't you be devocalizing? mustn't they be devocalizing?
Perfect	V-ing perfect
mustn't I have devocalized? mustn't you have devocalized? mustn't he have devocalized? mustn't we have devocalized? mustn't you have devocalized? mustn't they have devocalized?	mustn't I have been devocalizing? mustn't you have been devocalizing? mustn't he have been devocalizing? mustn't we have been devocalizing? mustn't you have been devocalizing? mustn't they have been devocalizing?