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