English verb conjugation
MUST DEVOCALIZE

Regular verb: devocalize - devocalized - devocalized

Affirmation

Simple form	V-ing form
I must devocalize you must devocalize she must devocalize we must devocalize you must devocalize they must devocalize	I must be devocalizing you must be devocalizing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she devocalize? must we devocalize? must you devocalize? must they devocalize?	must I be devocalizing? must you be devocalizing? must she 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 she 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 she 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 she 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 she 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 she 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 she have been devocalizing? mustn't we have been devocalizing? mustn't you have been devocalizing? mustn't they have been devocalizing?