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