I must threaten you must threaten she must threaten we must threaten you must threaten they must threaten
Forma con V-ing
I must be threatening you must be threatening she must be threatening we must be threatening you must be threatening they must be threatening
Perfecto
I must have threatened you must have threatened she must have threatened we must have threatened you must have threatened they must have threatened
Perfecto con V-ing
I must have been threatening you must have been threatening she must have been threatening we must have been threatening you must have been threatening they must have been threatening
Negación
Forma simple
I mustn't threaten you mustn't threaten she mustn't threaten we mustn't threaten you mustn't threaten they mustn't threaten
Forma con V-ing
I mustn't be threatening you mustn't be threatening she mustn't be threatening we mustn't be threatening you mustn't be threatening they mustn't be threatening
Perfecto
I mustn't have threatened you mustn't have threatened she mustn't have threatened we mustn't have threatened you mustn't have threatened they mustn't have threatened
Perfecto con V-ing
I mustn't have been threatening you mustn't have been threatening she mustn't have been threatening we mustn't have been threatening you mustn't have been threatening they mustn't have been threatening
Forma interrogativa
Forma simple
must I threaten? must you threaten? must she threaten? must we threaten? must you threaten? must they threaten?
Forma con V-ing
must I be threatening? must you be threatening? must she be threatening? must we be threatening? must you be threatening? must they be threatening?
Perfecto
must I have threatened? must you have threatened? must she have threatened? must we have threatened? must you have threatened? must they have threatened?
Perfecto con V-ing
must I have been threatening? must you have been threatening? must she have been threatening? must we have been threatening? must you have been threatening? must they have been threatening?
Forma interro-negativa
Forma simple
mustn't I threaten? mustn't you threaten? mustn't she threaten? mustn't we threaten? mustn't you threaten? mustn't they threaten?
Forma con V-ing
mustn't I be threatening? mustn't you be threatening? mustn't she be threatening? mustn't we be threatening? mustn't you be threatening? mustn't they be threatening?
Perfecto
mustn't I have threatened? mustn't you have threatened? mustn't she have threatened? mustn't we have threatened? mustn't you have threatened? mustn't they have threatened?
Perfecto con V-ing
mustn't I have been threatening? mustn't you have been threatening? mustn't she have been threatening? mustn't we have been threatening? mustn't you have been threatening? mustn't they have been threatening?