English verb conjugation
MUST DESTABILIZE

Regular verb: destabilize - destabilized - destabilized

Affirmation

Simple form	V-ing form
I must destabilize you must destabilize she must destabilize we must destabilize you must destabilize they must destabilize	I must be destabilizing you must be destabilizing she must be destabilizing we must be destabilizing you must be destabilizing they must be destabilizing
Perfect	V-ing perfect
I must have destabilized you must have destabilized she must have destabilized we must have destabilized you must have destabilized they must have destabilized	I must have been destabilizing you must have been destabilizing she must have been destabilizing we must have been destabilizing you must have been destabilizing they must have been destabilizing

Negation

Simple form	V-ing form
I must not destabilize you must not destabilize she must not destabilize we must not destabilize you must not destabilize they must not destabilize	I must not be destabilizing you must not be destabilizing she must not be destabilizing we must not be destabilizing you must not be destabilizing they must not be destabilizing
Perfect	V-ing perfect
I must not have destabilized you must not have destabilized she must not have destabilized we must not have destabilized you must not have destabilized they must not have destabilized	I must not have been destabilizing you must not have been destabilizing she must not have been destabilizing we must not have been destabilizing you must not have been destabilizing they must not have been destabilizing

Interrogative form

Simple form	V-ing form
must I destabilize? must you destabilize? must she destabilize? must we destabilize? must you destabilize? must they destabilize?	must I be destabilizing? must you be destabilizing? must she be destabilizing? must we be destabilizing? must you be destabilizing? must they be destabilizing?
Perfect	V-ing perfect
must I have destabilized? must you have destabilized? must she have destabilized? must we have destabilized? must you have destabilized? must they have destabilized?	must I have been destabilizing? must you have been destabilizing? must she have been destabilizing? must we have been destabilizing? must you have been destabilizing? must they have been destabilizing?

Interro-negative form

Simple form	V-ing form
must I not destabilize? must you not destabilize? must she not destabilize? must we not destabilize? must you not destabilize? must they not destabilize?	must I not be destabilizing? must you not be destabilizing? must she not be destabilizing? must we not be destabilizing? must you not be destabilizing? must they not be destabilizing?
Perfect	V-ing perfect
must I not have destabilized? must you not have destabilized? must she not have destabilized? must we not have destabilized? must you not have destabilized? must they not have destabilized?	must I not have been destabilizing? must you not have been destabilizing? must she not have been destabilizing? must we not have been destabilizing? must you not have been destabilizing? must they not have been destabilizing?