I must record you must record he must record we must record you must record they must record
Forma con V-ing
I must be recording you must be recording he must be recording we must be recording you must be recording they must be recording
Perfecto
I must have recorded you must have recorded he must have recorded we must have recorded you must have recorded they must have recorded
Perfecto con V-ing
I must have been recording you must have been recording he must have been recording we must have been recording you must have been recording they must have been recording
Negación
Forma simple
I must not record you must not record he must not record we must not record you must not record they must not record
Forma con V-ing
I must not be recording you must not be recording he must not be recording we must not be recording you must not be recording they must not be recording
Perfecto
I must not have recorded you must not have recorded he must not have recorded we must not have recorded you must not have recorded they must not have recorded
Perfecto con V-ing
I must not have been recording you must not have been recording he must not have been recording we must not have been recording you must not have been recording they must not have been recording
Forma interrogativa
Forma simple
must I record? must you record? must he record? must we record? must you record? must they record?
Forma con V-ing
must I be recording? must you be recording? must he be recording? must we be recording? must you be recording? must they be recording?
Perfecto
must I have recorded? must you have recorded? must he have recorded? must we have recorded? must you have recorded? must they have recorded?
Perfecto con V-ing
must I have been recording? must you have been recording? must he have been recording? must we have been recording? must you have been recording? must they have been recording?
Forma interro-negativa
Forma simple
must I not record? must you not record? must he not record? must we not record? must you not record? must they not record?
Forma con V-ing
must I not be recording? must you not be recording? must he not be recording? must we not be recording? must you not be recording? must they not be recording?
Perfecto
must I not have recorded? must you not have recorded? must he not have recorded? must we not have recorded? must you not have recorded? must they not have recorded?
Perfecto con V-ing
must I not have been recording? must you not have been recording? must he not have been recording? must we not have been recording? must you not have been recording? must they not have been recording?