I must package you must package he must package we must package you must package they must package
Forma con V-ing
I must be packaging you must be packaging he must be packaging we must be packaging you must be packaging they must be packaging
Perfecto
I must have packaged you must have packaged he must have packaged we must have packaged you must have packaged they must have packaged
Perfecto con V-ing
I must have been packaging you must have been packaging he must have been packaging we must have been packaging you must have been packaging they must have been packaging
Negación
Forma simple
I must not package you must not package he must not package we must not package you must not package they must not package
Forma con V-ing
I must not be packaging you must not be packaging he must not be packaging we must not be packaging you must not be packaging they must not be packaging
Perfecto
I must not have packaged you must not have packaged he must not have packaged we must not have packaged you must not have packaged they must not have packaged
Perfecto con V-ing
I must not have been packaging you must not have been packaging he must not have been packaging we must not have been packaging you must not have been packaging they must not have been packaging
Forma interrogativa
Forma simple
must I package? must you package? must he package? must we package? must you package? must they package?
Forma con V-ing
must I be packaging? must you be packaging? must he be packaging? must we be packaging? must you be packaging? must they be packaging?
Perfecto
must I have packaged? must you have packaged? must he have packaged? must we have packaged? must you have packaged? must they have packaged?
Perfecto con V-ing
must I have been packaging? must you have been packaging? must he have been packaging? must we have been packaging? must you have been packaging? must they have been packaging?
Forma interro-negativa
Forma simple
must I not package? must you not package? must he not package? must we not package? must you not package? must they not package?
Forma con V-ing
must I not be packaging? must you not be packaging? must he not be packaging? must we not be packaging? must you not be packaging? must they not be packaging?
Perfecto
must I not have packaged? must you not have packaged? must he not have packaged? must we not have packaged? must you not have packaged? must they not have packaged?
Perfecto con V-ing
must I not have been packaging? must you not have been packaging? must he not have been packaging? must we not have been packaging? must you not have been packaging? must they not have been packaging?