I must plug you must plug he must plug we must plug you must plug they must plug
Forma con V-ing
I must be plugging you must be plugging he must be plugging we must be plugging you must be plugging they must be plugging
Perfecto
I must have plugged you must have plugged he must have plugged we must have plugged you must have plugged they must have plugged
Perfecto con V-ing
I must have been plugging you must have been plugging he must have been plugging we must have been plugging you must have been plugging they must have been plugging
Negación
Forma simple
I must not plug you must not plug he must not plug we must not plug you must not plug they must not plug
Forma con V-ing
I must not be plugging you must not be plugging he must not be plugging we must not be plugging you must not be plugging they must not be plugging
Perfecto
I must not have plugged you must not have plugged he must not have plugged we must not have plugged you must not have plugged they must not have plugged
Perfecto con V-ing
I must not have been plugging you must not have been plugging he must not have been plugging we must not have been plugging you must not have been plugging they must not have been plugging
Forma interrogativa
Forma simple
must I plug? must you plug? must he plug? must we plug? must you plug? must they plug?
Forma con V-ing
must I be plugging? must you be plugging? must he be plugging? must we be plugging? must you be plugging? must they be plugging?
Perfecto
must I have plugged? must you have plugged? must he have plugged? must we have plugged? must you have plugged? must they have plugged?
Perfecto con V-ing
must I have been plugging? must you have been plugging? must he have been plugging? must we have been plugging? must you have been plugging? must they have been plugging?
Forma interro-negativa
Forma simple
must I not plug? must you not plug? must he not plug? must we not plug? must you not plug? must they not plug?
Forma con V-ing
must I not be plugging? must you not be plugging? must he not be plugging? must we not be plugging? must you not be plugging? must they not be plugging?
Perfecto
must I not have plugged? must you not have plugged? must he not have plugged? must we not have plugged? must you not have plugged? must they not have plugged?
Perfecto con V-ing
must I not have been plugging? must you not have been plugging? must he not have been plugging? must we not have been plugging? must you not have been plugging? must they not have been plugging?