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