I must subsist you must subsist he must subsist we must subsist you must subsist they must subsist
Forme en V-ing
I must be subsisting you must be subsisting he must be subsisting we must be subsisting you must be subsisting they must be subsisting
Perfect
I must have subsisted you must have subsisted he must have subsisted we must have subsisted you must have subsisted they must have subsisted
Perfect en V-ing
I must have been subsisting you must have been subsisting he must have been subsisting we must have been subsisting you must have been subsisting they must have been subsisting
Négation
Forme simple
I mustn't subsist you mustn't subsist he mustn't subsist we mustn't subsist you mustn't subsist they mustn't subsist
Forme en V-ing
I mustn't be subsisting you mustn't be subsisting he mustn't be subsisting we mustn't be subsisting you mustn't be subsisting they mustn't be subsisting
Perfect
I mustn't have subsisted you mustn't have subsisted he mustn't have subsisted we mustn't have subsisted you mustn't have subsisted they mustn't have subsisted
Perfect en V-ing
I mustn't have been subsisting you mustn't have been subsisting he mustn't have been subsisting we mustn't have been subsisting you mustn't have been subsisting they mustn't have been subsisting
Forme interrogative
Forme simple
must I subsist? must you subsist? must he subsist? must we subsist? must you subsist? must they subsist?
Forme en V-ing
must I be subsisting? must you be subsisting? must he be subsisting? must we be subsisting? must you be subsisting? must they be subsisting?
Perfect
must I have subsisted? must you have subsisted? must he have subsisted? must we have subsisted? must you have subsisted? must they have subsisted?
Perfect en V-ing
must I have been subsisting? must you have been subsisting? must he have been subsisting? must we have been subsisting? must you have been subsisting? must they have been subsisting?
Forme interro-négative
Forme simple
mustn't I subsist? mustn't you subsist? mustn't he subsist? mustn't we subsist? mustn't you subsist? mustn't they subsist?
Forme en V-ing
mustn't I be subsisting? mustn't you be subsisting? mustn't he be subsisting? mustn't we be subsisting? mustn't you be subsisting? mustn't they be subsisting?
Perfect
mustn't I have subsisted? mustn't you have subsisted? mustn't he have subsisted? mustn't we have subsisted? mustn't you have subsisted? mustn't they have subsisted?
Perfect en V-ing
mustn't I have been subsisting? mustn't you have been subsisting? mustn't he have been subsisting? mustn't we have been subsisting? mustn't you have been subsisting? mustn't they have been subsisting?