I must succour you must succour she must succour we must succour you must succour they must succour
Forma con V-ing
I must be succouring you must be succouring she must be succouring we must be succouring you must be succouring they must be succouring
Perfecto
I must have succoured you must have succoured she must have succoured we must have succoured you must have succoured they must have succoured
Perfecto con V-ing
I must have been succouring you must have been succouring she must have been succouring we must have been succouring you must have been succouring they must have been succouring
Negación
Forma simple
I must not succour you must not succour she must not succour we must not succour you must not succour they must not succour
Forma con V-ing
I must not be succouring you must not be succouring she must not be succouring we must not be succouring you must not be succouring they must not be succouring
Perfecto
I must not have succoured you must not have succoured she must not have succoured we must not have succoured you must not have succoured they must not have succoured
Perfecto con V-ing
I must not have been succouring you must not have been succouring she must not have been succouring we must not have been succouring you must not have been succouring they must not have been succouring
Forma interrogativa
Forma simple
must I succour? must you succour? must she succour? must we succour? must you succour? must they succour?
Forma con V-ing
must I be succouring? must you be succouring? must she be succouring? must we be succouring? must you be succouring? must they be succouring?
Perfecto
must I have succoured? must you have succoured? must she have succoured? must we have succoured? must you have succoured? must they have succoured?
Perfecto con V-ing
must I have been succouring? must you have been succouring? must she have been succouring? must we have been succouring? must you have been succouring? must they have been succouring?
Forma interro-negativa
Forma simple
must I not succour? must you not succour? must she not succour? must we not succour? must you not succour? must they not succour?
Forma con V-ing
must I not be succouring? must you not be succouring? must she not be succouring? must we not be succouring? must you not be succouring? must they not be succouring?
Perfecto
must I not have succoured? must you not have succoured? must she not have succoured? must we not have succoured? must you not have succoured? must they not have succoured?
Perfecto con V-ing
must I not have been succouring? must you not have been succouring? must she not have been succouring? must we not have been succouring? must you not have been succouring? must they not have been succouring?