English verb conjugation
MUST DESTABILIZE

Regular verb: destabilize - destabilized - destabilized

Affirmation

Simple form	V-ing form
I must destabilize you must destabilize he must destabilize we must destabilize you must destabilize they must destabilize	I must be destabilizing you must be destabilizing he 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 he 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 he 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 mustn't destabilize you mustn't destabilize he mustn't destabilize we mustn't destabilize you mustn't destabilize they mustn't destabilize	I mustn't be destabilizing you mustn't be destabilizing he mustn't be destabilizing we mustn't be destabilizing you mustn't be destabilizing they mustn't be destabilizing
Perfect	V-ing perfect
I mustn't have destabilized you mustn't have destabilized he mustn't have destabilized we mustn't have destabilized you mustn't have destabilized they mustn't have destabilized	I mustn't have been destabilizing you mustn't have been destabilizing he mustn't have been destabilizing we mustn't have been destabilizing you mustn't have been destabilizing they mustn't have been destabilizing

Interrogative form

Simple form	V-ing form
must I destabilize? must you destabilize? must he destabilize? must we destabilize? must you destabilize? must they destabilize?	must I be destabilizing? must you be destabilizing? must he 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 he 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 he 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
mustn't I destabilize? mustn't you destabilize? mustn't he destabilize? mustn't we destabilize? mustn't you destabilize? mustn't they destabilize?	mustn't I be destabilizing? mustn't you be destabilizing? mustn't he be destabilizing? mustn't we be destabilizing? mustn't you be destabilizing? mustn't they be destabilizing?
Perfect	V-ing perfect
mustn't I have destabilized? mustn't you have destabilized? mustn't he have destabilized? mustn't we have destabilized? mustn't you have destabilized? mustn't they have destabilized?	mustn't I have been destabilizing? mustn't you have been destabilizing? mustn't he have been destabilizing? mustn't we have been destabilizing? mustn't you have been destabilizing? mustn't they have been destabilizing?