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
she must perforate
we must perforate
you must perforate
they must perforate 	I must be perforating
you must be perforating
she must be perforating
we must be perforating
you must be perforating
they must be perforating	I must have perforated
you must have perforated
she 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
she 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
she 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
she 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
she 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
she 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 she perforate?
must we perforate?
must you perforate?
must they perforate? 	must I be perforating?
must you be perforating?
must she be perforating?
must we be perforating?
must you be perforating?
must they be perforating? 	must I have perforated?
must you have perforated?
must she 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 she 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 she 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 she 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 she 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 she have been perforating?
mustn't we have been perforating?
mustn't you have been perforating?
mustn't they have been perforating?