I must destabilize you must destabilize she must destabilize we must destabilize you must destabilize they must destabilize
Forme en V-ing
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
I must have destabilized you must have destabilized she must have destabilized we must have destabilized you must have destabilized they must have destabilized
Perfect en V-ing
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
Négation
Forme simple
I mustn't destabilize you mustn't destabilize she mustn't destabilize we mustn't destabilize you mustn't destabilize they mustn't destabilize
Forme en V-ing
I mustn't be destabilizing you mustn't be destabilizing she mustn't be destabilizing we mustn't be destabilizing you mustn't be destabilizing they mustn't be destabilizing
Perfect
I mustn't have destabilized you mustn't have destabilized she mustn't have destabilized we mustn't have destabilized you mustn't have destabilized they mustn't have destabilized
Perfect en V-ing
I mustn't have been destabilizing you mustn't have been destabilizing she mustn't have been destabilizing we mustn't have been destabilizing you mustn't have been destabilizing they mustn't have been destabilizing
Forme interrogative
Forme simple
must I destabilize? must you destabilize? must she destabilize? must we destabilize? must you destabilize? must they destabilize?
Forme en V-ing
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
must I have destabilized? must you have destabilized? must she have destabilized? must we have destabilized? must you have destabilized? must they have destabilized?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
mustn't I destabilize? mustn't you destabilize? mustn't she destabilize? mustn't we destabilize? mustn't you destabilize? mustn't they destabilize?
Forme en V-ing
mustn't I be destabilizing? mustn't you be destabilizing? mustn't she be destabilizing? mustn't we be destabilizing? mustn't you be destabilizing? mustn't they be destabilizing?
Perfect
mustn't I have destabilized? mustn't you have destabilized? mustn't she have destabilized? mustn't we have destabilized? mustn't you have destabilized? mustn't they have destabilized?
Perfect en V-ing
mustn't I have been destabilizing? mustn't you have been destabilizing? mustn't she have been destabilizing? mustn't we have been destabilizing? mustn't you have been destabilizing? mustn't they have been destabilizing?