I must cramp you must cramp he must cramp we must cramp you must cramp they must cramp
Forma con V-ing
I must be cramping you must be cramping he must be cramping we must be cramping you must be cramping they must be cramping
Perfecto
I must have cramped you must have cramped he must have cramped we must have cramped you must have cramped they must have cramped
Perfecto con V-ing
I must have been cramping you must have been cramping he must have been cramping we must have been cramping you must have been cramping they must have been cramping
Negación
Forma simple
I must not cramp you must not cramp he must not cramp we must not cramp you must not cramp they must not cramp
Forma con V-ing
I must not be cramping you must not be cramping he must not be cramping we must not be cramping you must not be cramping they must not be cramping
Perfecto
I must not have cramped you must not have cramped he must not have cramped we must not have cramped you must not have cramped they must not have cramped
Perfecto con V-ing
I must not have been cramping you must not have been cramping he must not have been cramping we must not have been cramping you must not have been cramping they must not have been cramping
Forma interrogativa
Forma simple
must I cramp? must you cramp? must he cramp? must we cramp? must you cramp? must they cramp?
Forma con V-ing
must I be cramping? must you be cramping? must he be cramping? must we be cramping? must you be cramping? must they be cramping?
Perfecto
must I have cramped? must you have cramped? must he have cramped? must we have cramped? must you have cramped? must they have cramped?
Perfecto con V-ing
must I have been cramping? must you have been cramping? must he have been cramping? must we have been cramping? must you have been cramping? must they have been cramping?
Forma interro-negativa
Forma simple
must I not cramp? must you not cramp? must he not cramp? must we not cramp? must you not cramp? must they not cramp?
Forma con V-ing
must I not be cramping? must you not be cramping? must he not be cramping? must we not be cramping? must you not be cramping? must they not be cramping?
Perfecto
must I not have cramped? must you not have cramped? must he not have cramped? must we not have cramped? must you not have cramped? must they not have cramped?
Perfecto con V-ing
must I not have been cramping? must you not have been cramping? must he not have been cramping? must we not have been cramping? must you not have been cramping? must they not have been cramping?