I must stagger you must stagger he must stagger we must stagger you must stagger they must stagger
Forma con V-ing
I must be staggering you must be staggering he must be staggering we must be staggering you must be staggering they must be staggering
Perfecto
I must have staggered you must have staggered he must have staggered we must have staggered you must have staggered they must have staggered
Perfecto con V-ing
I must have been staggering you must have been staggering he must have been staggering we must have been staggering you must have been staggering they must have been staggering
Negación
Forma simple
I must not stagger you must not stagger he must not stagger we must not stagger you must not stagger they must not stagger
Forma con V-ing
I must not be staggering you must not be staggering he must not be staggering we must not be staggering you must not be staggering they must not be staggering
Perfecto
I must not have staggered you must not have staggered he must not have staggered we must not have staggered you must not have staggered they must not have staggered
Perfecto con V-ing
I must not have been staggering you must not have been staggering he must not have been staggering we must not have been staggering you must not have been staggering they must not have been staggering
Forma interrogativa
Forma simple
must I stagger? must you stagger? must he stagger? must we stagger? must you stagger? must they stagger?
Forma con V-ing
must I be staggering? must you be staggering? must he be staggering? must we be staggering? must you be staggering? must they be staggering?
Perfecto
must I have staggered? must you have staggered? must he have staggered? must we have staggered? must you have staggered? must they have staggered?
Perfecto con V-ing
must I have been staggering? must you have been staggering? must he have been staggering? must we have been staggering? must you have been staggering? must they have been staggering?
Forma interro-negativa
Forma simple
must I not stagger? must you not stagger? must he not stagger? must we not stagger? must you not stagger? must they not stagger?
Forma con V-ing
must I not be staggering? must you not be staggering? must he not be staggering? must we not be staggering? must you not be staggering? must they not be staggering?
Perfecto
must I not have staggered? must you not have staggered? must he not have staggered? must we not have staggered? must you not have staggered? must they not have staggered?
Perfecto con V-ing
must I not have been staggering? must you not have been staggering? must he not have been staggering? must we not have been staggering? must you not have been staggering? must they not have been staggering?