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