I must insert you must insert he must insert we must insert you must insert they must insert
Forma con V-ing
I must be inserting you must be inserting he must be inserting we must be inserting you must be inserting they must be inserting
Perfecto
I must have inserted you must have inserted he must have inserted we must have inserted you must have inserted they must have inserted
Perfecto con V-ing
I must have been inserting you must have been inserting he must have been inserting we must have been inserting you must have been inserting they must have been inserting
Negación
Forma simple
I must not insert you must not insert he must not insert we must not insert you must not insert they must not insert
Forma con V-ing
I must not be inserting you must not be inserting he must not be inserting we must not be inserting you must not be inserting they must not be inserting
Perfecto
I must not have inserted you must not have inserted he must not have inserted we must not have inserted you must not have inserted they must not have inserted
Perfecto con V-ing
I must not have been inserting you must not have been inserting he must not have been inserting we must not have been inserting you must not have been inserting they must not have been inserting
Forma interrogativa
Forma simple
must I insert? must you insert? must he insert? must we insert? must you insert? must they insert?
Forma con V-ing
must I be inserting? must you be inserting? must he be inserting? must we be inserting? must you be inserting? must they be inserting?
Perfecto
must I have inserted? must you have inserted? must he have inserted? must we have inserted? must you have inserted? must they have inserted?
Perfecto con V-ing
must I have been inserting? must you have been inserting? must he have been inserting? must we have been inserting? must you have been inserting? must they have been inserting?
Forma interro-negativa
Forma simple
must I not insert? must you not insert? must he not insert? must we not insert? must you not insert? must they not insert?
Forma con V-ing
must I not be inserting? must you not be inserting? must he not be inserting? must we not be inserting? must you not be inserting? must they not be inserting?
Perfecto
must I not have inserted? must you not have inserted? must he not have inserted? must we not have inserted? must you not have inserted? must they not have inserted?
Perfecto con V-ing
must I not have been inserting? must you not have been inserting? must he not have been inserting? must we not have been inserting? must you not have been inserting? must they not have been inserting?