I must obturate you must obturate he must obturate we must obturate you must obturate they must obturate
Forme en V-ing
I must be obturating you must be obturating he must be obturating we must be obturating you must be obturating they must be obturating
Perfect
I must have obturated you must have obturated he must have obturated we must have obturated you must have obturated they must have obturated
Perfect en V-ing
I must have been obturating you must have been obturating he must have been obturating we must have been obturating you must have been obturating they must have been obturating
Négation
Forme simple
I mustn't obturate you mustn't obturate he mustn't obturate we mustn't obturate you mustn't obturate they mustn't obturate
Forme en V-ing
I mustn't be obturating you mustn't be obturating he mustn't be obturating we mustn't be obturating you mustn't be obturating they mustn't be obturating
Perfect
I mustn't have obturated you mustn't have obturated he mustn't have obturated we mustn't have obturated you mustn't have obturated they mustn't have obturated
Perfect en V-ing
I mustn't have been obturating you mustn't have been obturating he mustn't have been obturating we mustn't have been obturating you mustn't have been obturating they mustn't have been obturating
Forme interrogative
Forme simple
must I obturate? must you obturate? must he obturate? must we obturate? must you obturate? must they obturate?
Forme en V-ing
must I be obturating? must you be obturating? must he be obturating? must we be obturating? must you be obturating? must they be obturating?
Perfect
must I have obturated? must you have obturated? must he have obturated? must we have obturated? must you have obturated? must they have obturated?
Perfect en V-ing
must I have been obturating? must you have been obturating? must he have been obturating? must we have been obturating? must you have been obturating? must they have been obturating?
Forme interro-négative
Forme simple
mustn't I obturate? mustn't you obturate? mustn't he obturate? mustn't we obturate? mustn't you obturate? mustn't they obturate?
Forme en V-ing
mustn't I be obturating? mustn't you be obturating? mustn't he be obturating? mustn't we be obturating? mustn't you be obturating? mustn't they be obturating?
Perfect
mustn't I have obturated? mustn't you have obturated? mustn't he have obturated? mustn't we have obturated? mustn't you have obturated? mustn't they have obturated?
Perfect en V-ing
mustn't I have been obturating? mustn't you have been obturating? mustn't he have been obturating? mustn't we have been obturating? mustn't you have been obturating? mustn't they have been obturating?