English verb conjugation
MUST DEMATERIALIZE

Regular verb: dematerialize - dematerialized - dematerialized

Affirmation

Simple form	V-ing form
I must dematerialize you must dematerialize he must dematerialize we must dematerialize you must dematerialize they must dematerialize	I must be dematerializing you must be dematerializing he must be dematerializing we must be dematerializing you must be dematerializing they must be dematerializing
Perfect	V-ing perfect
I must have dematerialized you must have dematerialized he must have dematerialized we must have dematerialized you must have dematerialized they must have dematerialized	I must have been dematerializing you must have been dematerializing he must have been dematerializing we must have been dematerializing you must have been dematerializing they must have been dematerializing

Negation

Simple form	V-ing form
I mustn't dematerialize you mustn't dematerialize he mustn't dematerialize we mustn't dematerialize you mustn't dematerialize they mustn't dematerialize	I mustn't be dematerializing you mustn't be dematerializing he mustn't be dematerializing we mustn't be dematerializing you mustn't be dematerializing they mustn't be dematerializing
Perfect	V-ing perfect
I mustn't have dematerialized you mustn't have dematerialized he mustn't have dematerialized we mustn't have dematerialized you mustn't have dematerialized they mustn't have dematerialized	I mustn't have been dematerializing you mustn't have been dematerializing he mustn't have been dematerializing we mustn't have been dematerializing you mustn't have been dematerializing they mustn't have been dematerializing

Interrogative form

Simple form	V-ing form
must I dematerialize? must you dematerialize? must he dematerialize? must we dematerialize? must you dematerialize? must they dematerialize?	must I be dematerializing? must you be dematerializing? must he be dematerializing? must we be dematerializing? must you be dematerializing? must they be dematerializing?
Perfect	V-ing perfect
must I have dematerialized? must you have dematerialized? must he have dematerialized? must we have dematerialized? must you have dematerialized? must they have dematerialized?	must I have been dematerializing? must you have been dematerializing? must he have been dematerializing? must we have been dematerializing? must you have been dematerializing? must they have been dematerializing?

Interro-negative form

Simple form	V-ing form
mustn't I dematerialize? mustn't you dematerialize? mustn't he dematerialize? mustn't we dematerialize? mustn't you dematerialize? mustn't they dematerialize?	mustn't I be dematerializing? mustn't you be dematerializing? mustn't he be dematerializing? mustn't we be dematerializing? mustn't you be dematerializing? mustn't they be dematerializing?
Perfect	V-ing perfect
mustn't I have dematerialized? mustn't you have dematerialized? mustn't he have dematerialized? mustn't we have dematerialized? mustn't you have dematerialized? mustn't they have dematerialized?	mustn't I have been dematerializing? mustn't you have been dematerializing? mustn't he have been dematerializing? mustn't we have been dematerializing? mustn't you have been dematerializing? mustn't they have been dematerializing?