I must flag you must flag he must flag we must flag you must flag they must flag
Forma con V-ing
I must be flagging you must be flagging he must be flagging we must be flagging you must be flagging they must be flagging
Perfecto
I must have flagged you must have flagged he must have flagged we must have flagged you must have flagged they must have flagged
Perfecto con V-ing
I must have been flagging you must have been flagging he must have been flagging we must have been flagging you must have been flagging they must have been flagging
Negación
Forma simple
I must not flag you must not flag he must not flag we must not flag you must not flag they must not flag
Forma con V-ing
I must not be flagging you must not be flagging he must not be flagging we must not be flagging you must not be flagging they must not be flagging
Perfecto
I must not have flagged you must not have flagged he must not have flagged we must not have flagged you must not have flagged they must not have flagged
Perfecto con V-ing
I must not have been flagging you must not have been flagging he must not have been flagging we must not have been flagging you must not have been flagging they must not have been flagging
Forma interrogativa
Forma simple
must I flag? must you flag? must he flag? must we flag? must you flag? must they flag?
Forma con V-ing
must I be flagging? must you be flagging? must he be flagging? must we be flagging? must you be flagging? must they be flagging?
Perfecto
must I have flagged? must you have flagged? must he have flagged? must we have flagged? must you have flagged? must they have flagged?
Perfecto con V-ing
must I have been flagging? must you have been flagging? must he have been flagging? must we have been flagging? must you have been flagging? must they have been flagging?
Forma interro-negativa
Forma simple
must I not flag? must you not flag? must he not flag? must we not flag? must you not flag? must they not flag?
Forma con V-ing
must I not be flagging? must you not be flagging? must he not be flagging? must we not be flagging? must you not be flagging? must they not be flagging?
Perfecto
must I not have flagged? must you not have flagged? must he not have flagged? must we not have flagged? must you not have flagged? must they not have flagged?
Perfecto con V-ing
must I not have been flagging? must you not have been flagging? must he not have been flagging? must we not have been flagging? must you not have been flagging? must they not have been flagging?