must perforate
Verbe régulier : perforate - perforated- perforated
Traduction française : perforer - percer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must perforate
you must perforate
he must perforate
we must perforate
you must perforate
they must perforate 	I must be perforating
you must be perforating
he must be perforating
we must be perforating
you must be perforating
they must be perforating	I must have perforated
you must have perforated
he must have perforated
we must have perforated
you must have perforated
they must have perforated	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 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't perforate
you mustn't perforate
he mustn't perforate
we mustn't perforate
you mustn't perforate
they mustn't perforate 	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	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	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 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I perforate?
must you perforate?
must he perforate?
must we perforate?
must you perforate?
must they perforate? 	must I be perforating?
must you be perforating?
must he be perforating?
must we be perforating?
must you be perforating?
must they be perforating? 	must I have perforated?
must you have perforated?
must he have perforated?
must we have perforated?
must you have perforated?
must they have perforated? 	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 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I perforate?
mustn't you perforate?
mustn't he perforate?
mustn't we perforate?
mustn't you perforate?
mustn't they perforate? 	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? 	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? 	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?