I must unite you must unite she must unite we must unite you must unite they must unite
Forma con V-ing
I must be uniting you must be uniting she must be uniting we must be uniting you must be uniting they must be uniting
Perfecto
I must have united you must have united she must have united we must have united you must have united they must have united
Perfecto con V-ing
I must have been uniting you must have been uniting she must have been uniting we must have been uniting you must have been uniting they must have been uniting
Negación
Forma simple
I must not unite you must not unite she must not unite we must not unite you must not unite they must not unite
Forma con V-ing
I must not be uniting you must not be uniting she must not be uniting we must not be uniting you must not be uniting they must not be uniting
Perfecto
I must not have united you must not have united she must not have united we must not have united you must not have united they must not have united
Perfecto con V-ing
I must not have been uniting you must not have been uniting she must not have been uniting we must not have been uniting you must not have been uniting they must not have been uniting
Forma interrogativa
Forma simple
must I unite? must you unite? must she unite? must we unite? must you unite? must they unite?
Forma con V-ing
must I be uniting? must you be uniting? must she be uniting? must we be uniting? must you be uniting? must they be uniting?
Perfecto
must I have united? must you have united? must she have united? must we have united? must you have united? must they have united?
Perfecto con V-ing
must I have been uniting? must you have been uniting? must she have been uniting? must we have been uniting? must you have been uniting? must they have been uniting?
Forma interro-negativa
Forma simple
must I not unite? must you not unite? must she not unite? must we not unite? must you not unite? must they not unite?
Forma con V-ing
must I not be uniting? must you not be uniting? must she not be uniting? must we not be uniting? must you not be uniting? must they not be uniting?
Perfecto
must I not have united? must you not have united? must she not have united? must we not have united? must you not have united? must they not have united?
Perfecto con V-ing
must I not have been uniting? must you not have been uniting? must she not have been uniting? must we not have been uniting? must you not have been uniting? must they not have been uniting?