I must obturate you must obturate she must obturate we must obturate you must obturate they must obturate
Forma con V-ing
I must be obturating you must be obturating she must be obturating we must be obturating you must be obturating they must be obturating
Perfecto
I must have obturated you must have obturated she must have obturated we must have obturated you must have obturated they must have obturated
Perfecto con V-ing
I must have been obturating you must have been obturating she must have been obturating we must have been obturating you must have been obturating they must have been obturating
Negación
Forma simple
I must not obturate you must not obturate she must not obturate we must not obturate you must not obturate they must not obturate
Forma con V-ing
I must not be obturating you must not be obturating she must not be obturating we must not be obturating you must not be obturating they must not be obturating
Perfecto
I must not have obturated you must not have obturated she must not have obturated we must not have obturated you must not have obturated they must not have obturated
Perfecto con V-ing
I must not have been obturating you must not have been obturating she must not have been obturating we must not have been obturating you must not have been obturating they must not have been obturating
Forma interrogativa
Forma simple
must I obturate? must you obturate? must she obturate? must we obturate? must you obturate? must they obturate?
Forma con V-ing
must I be obturating? must you be obturating? must she be obturating? must we be obturating? must you be obturating? must they be obturating?
Perfecto
must I have obturated? must you have obturated? must she have obturated? must we have obturated? must you have obturated? must they have obturated?
Perfecto con V-ing
must I have been obturating? must you have been obturating? must she have been obturating? must we have been obturating? must you have been obturating? must they have been obturating?
Forma interro-negativa
Forma simple
must I not obturate? must you not obturate? must she not obturate? must we not obturate? must you not obturate? must they not obturate?
Forma con V-ing
must I not be obturating? must you not be obturating? must she not be obturating? must we not be obturating? must you not be obturating? must they not be obturating?
Perfecto
must I not have obturated? must you not have obturated? must she not have obturated? must we not have obturated? must you not have obturated? must they not have obturated?
Perfecto con V-ing
must I not have been obturating? must you not have been obturating? must she not have been obturating? must we not have been obturating? must you not have been obturating? must they not have been obturating?