English verb conjugation
MUST DEMATERIALIZE

Regular verb: dematerialize - dematerialized - dematerialized

Affirmation

Simple form	V-ing form
I must dematerialize you must dematerialize she must dematerialize we must dematerialize you must dematerialize they must dematerialize	I must be dematerializing you must be dematerializing she 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 she 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 she 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 must not dematerialize you must not dematerialize she must not dematerialize we must not dematerialize you must not dematerialize they must not dematerialize	I must not be dematerializing you must not be dematerializing she must not be dematerializing we must not be dematerializing you must not be dematerializing they must not be dematerializing
Perfect	V-ing perfect
I must not have dematerialized you must not have dematerialized she must not have dematerialized we must not have dematerialized you must not have dematerialized they must not have dematerialized	I must not have been dematerializing you must not have been dematerializing she must not have been dematerializing we must not have been dematerializing you must not have been dematerializing they must not have been dematerializing

Interrogative form

Simple form	V-ing form
must I dematerialize? must you dematerialize? must she dematerialize? must we dematerialize? must you dematerialize? must they dematerialize?	must I be dematerializing? must you be dematerializing? must she 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 she 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 she 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
must I not dematerialize? must you not dematerialize? must she not dematerialize? must we not dematerialize? must you not dematerialize? must they not dematerialize?	must I not be dematerializing? must you not be dematerializing? must she not be dematerializing? must we not be dematerializing? must you not be dematerializing? must they not be dematerializing?
Perfect	V-ing perfect
must I not have dematerialized? must you not have dematerialized? must she not have dematerialized? must we not have dematerialized? must you not have dematerialized? must they not have dematerialized?	must I not have been dematerializing? must you not have been dematerializing? must she not have been dematerializing? must we not have been dematerializing? must you not have been dematerializing? must they not have been dematerializing?