I must lose you must lose he must lose we must lose you must lose they must lose
Forma con V-ing
I must be losing you must be losing he must be losing we must be losing you must be losing they must be losing
Perfecto
I must have lost you must have lost he must have lost we must have lost you must have lost they must have lost
Perfecto con V-ing
I must have been losing you must have been losing he must have been losing we must have been losing you must have been losing they must have been losing
Negación
Forma simple
I must not lose you must not lose he must not lose we must not lose you must not lose they must not lose
Forma con V-ing
I must not be losing you must not be losing he must not be losing we must not be losing you must not be losing they must not be losing
Perfecto
I must not have lost you must not have lost he must not have lost we must not have lost you must not have lost they must not have lost
Perfecto con V-ing
I must not have been losing you must not have been losing he must not have been losing we must not have been losing you must not have been losing they must not have been losing
Forma interrogativa
Forma simple
must I lose? must you lose? must he lose? must we lose? must you lose? must they lose?
Forma con V-ing
must I be losing? must you be losing? must he be losing? must we be losing? must you be losing? must they be losing?
Perfecto
must I have lost? must you have lost? must he have lost? must we have lost? must you have lost? must they have lost?
Perfecto con V-ing
must I have been losing? must you have been losing? must he have been losing? must we have been losing? must you have been losing? must they have been losing?
Forma interro-negativa
Forma simple
must I not lose? must you not lose? must he not lose? must we not lose? must you not lose? must they not lose?
Forma con V-ing
must I not be losing? must you not be losing? must he not be losing? must we not be losing? must you not be losing? must they not be losing?
Perfecto
must I not have lost? must you not have lost? must he not have lost? must we not have lost? must you not have lost? must they not have lost?
Perfecto con V-ing
must I not have been losing? must you not have been losing? must he not have been losing? must we not have been losing? must you not have been losing? must they not have been losing?