I must unload you must unload he must unload we must unload you must unload they must unload
Forma con V-ing
I must be unloading you must be unloading he must be unloading we must be unloading you must be unloading they must be unloading
Perfecto
I must have unloaded you must have unloaded he must have unloaded we must have unloaded you must have unloaded they must have unloaded
Perfecto con V-ing
I must have been unloading you must have been unloading he must have been unloading we must have been unloading you must have been unloading they must have been unloading
Negación
Forma simple
I mustn't unload you mustn't unload he mustn't unload we mustn't unload you mustn't unload they mustn't unload
Forma con V-ing
I mustn't be unloading you mustn't be unloading he mustn't be unloading we mustn't be unloading you mustn't be unloading they mustn't be unloading
Perfecto
I mustn't have unloaded you mustn't have unloaded he mustn't have unloaded we mustn't have unloaded you mustn't have unloaded they mustn't have unloaded
Perfecto con V-ing
I mustn't have been unloading you mustn't have been unloading he mustn't have been unloading we mustn't have been unloading you mustn't have been unloading they mustn't have been unloading
Forma interrogativa
Forma simple
must I unload? must you unload? must he unload? must we unload? must you unload? must they unload?
Forma con V-ing
must I be unloading? must you be unloading? must he be unloading? must we be unloading? must you be unloading? must they be unloading?
Perfecto
must I have unloaded? must you have unloaded? must he have unloaded? must we have unloaded? must you have unloaded? must they have unloaded?
Perfecto con V-ing
must I have been unloading? must you have been unloading? must he have been unloading? must we have been unloading? must you have been unloading? must they have been unloading?
Forma interro-negativa
Forma simple
mustn't I unload? mustn't you unload? mustn't he unload? mustn't we unload? mustn't you unload? mustn't they unload?
Forma con V-ing
mustn't I be unloading? mustn't you be unloading? mustn't he be unloading? mustn't we be unloading? mustn't you be unloading? mustn't they be unloading?
Perfecto
mustn't I have unloaded? mustn't you have unloaded? mustn't he have unloaded? mustn't we have unloaded? mustn't you have unloaded? mustn't they have unloaded?
Perfecto con V-ing
mustn't I have been unloading? mustn't you have been unloading? mustn't he have been unloading? mustn't we have been unloading? mustn't you have been unloading? mustn't they have been unloading?