I must stagger you must stagger she must stagger we must stagger you must stagger they must stagger
Forma con V-ing
I must be staggering you must be staggering she must be staggering we must be staggering you must be staggering they must be staggering
Perfecto
I must have staggered you must have staggered she 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 she 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 she 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 she 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 she 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 she 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 she stagger? must we stagger? must you stagger? must they stagger?
Forma con V-ing
must I be staggering? must you be staggering? must she be staggering? must we be staggering? must you be staggering? must they be staggering?
Perfecto
must I have staggered? must you have staggered? must she 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 she 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 she 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 she 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 she 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 she not have been staggering? must we not have been staggering? must you not have been staggering? must they not have been staggering?