I must defend you must defend he must defend we must defend you must defend they must defend
Forma con V-ing
I must be defending you must be defending he must be defending we must be defending you must be defending they must be defending
Perfecto
I must have defended you must have defended he must have defended we must have defended you must have defended they must have defended
Perfecto con V-ing
I must have been defending you must have been defending he must have been defending we must have been defending you must have been defending they must have been defending
Negación
Forma simple
I must not defend you must not defend he must not defend we must not defend you must not defend they must not defend
Forma con V-ing
I must not be defending you must not be defending he must not be defending we must not be defending you must not be defending they must not be defending
Perfecto
I must not have defended you must not have defended he must not have defended we must not have defended you must not have defended they must not have defended
Perfecto con V-ing
I must not have been defending you must not have been defending he must not have been defending we must not have been defending you must not have been defending they must not have been defending
Forma interrogativa
Forma simple
must I defend? must you defend? must he defend? must we defend? must you defend? must they defend?
Forma con V-ing
must I be defending? must you be defending? must he be defending? must we be defending? must you be defending? must they be defending?
Perfecto
must I have defended? must you have defended? must he have defended? must we have defended? must you have defended? must they have defended?
Perfecto con V-ing
must I have been defending? must you have been defending? must he have been defending? must we have been defending? must you have been defending? must they have been defending?
Forma interro-negativa
Forma simple
must I not defend? must you not defend? must he not defend? must we not defend? must you not defend? must they not defend?
Forma con V-ing
must I not be defending? must you not be defending? must he not be defending? must we not be defending? must you not be defending? must they not be defending?
Perfecto
must I not have defended? must you not have defended? must he not have defended? must we not have defended? must you not have defended? must they not have defended?
Perfecto con V-ing
must I not have been defending? must you not have been defending? must he not have been defending? must we not have been defending? must you not have been defending? must they not have been defending?