I must stand you must stand she must stand we must stand you must stand they must stand
Forma con V-ing
I must be standing you must be standing she must be standing we must be standing you must be standing they must be standing
Perfecto
I must have stood you must have stood she must have stood we must have stood you must have stood they must have stood
Perfecto con V-ing
I must have been standing you must have been standing she must have been standing we must have been standing you must have been standing they must have been standing
Negación
Forma simple
I must not stand you must not stand she must not stand we must not stand you must not stand they must not stand
Forma con V-ing
I must not be standing you must not be standing she must not be standing we must not be standing you must not be standing they must not be standing
Perfecto
I must not have stood you must not have stood she must not have stood we must not have stood you must not have stood they must not have stood
Perfecto con V-ing
I must not have been standing you must not have been standing she must not have been standing we must not have been standing you must not have been standing they must not have been standing
Forma interrogativa
Forma simple
must I stand? must you stand? must she stand? must we stand? must you stand? must they stand?
Forma con V-ing
must I be standing? must you be standing? must she be standing? must we be standing? must you be standing? must they be standing?
Perfecto
must I have stood? must you have stood? must she have stood? must we have stood? must you have stood? must they have stood?
Perfecto con V-ing
must I have been standing? must you have been standing? must she have been standing? must we have been standing? must you have been standing? must they have been standing?
Forma interro-negativa
Forma simple
must I not stand? must you not stand? must she not stand? must we not stand? must you not stand? must they not stand?
Forma con V-ing
must I not be standing? must you not be standing? must she not be standing? must we not be standing? must you not be standing? must they not be standing?
Perfecto
must I not have stood? must you not have stood? must she not have stood? must we not have stood? must you not have stood? must they not have stood?
Perfecto con V-ing
must I not have been standing? must you not have been standing? must she not have been standing? must we not have been standing? must you not have been standing? must they not have been standing?