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

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could perforate
you could perforate
she could perforate
we could perforate
you could perforate
they could perforate 	I could be perforating
you could be perforating
she could be perforating
we could be perforating
you could be perforating
they could be perforating	I could have perforated
you could have perforated
she could have perforated
we could have perforated
you could have perforated
they could have perforated	I could have been perforating
you could have been perforating
she could have been perforating
we could have been perforating
you could have been perforating
they could have been perforating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not perforate
you could not perforate
she could not perforate
we could not perforate
you could not perforate
they could not perforate 	I could not be perforating
you could not be perforating
she could not be perforating
we could not be perforating
you could not be perforating
they could not be perforating	I could not have perforated
you could not have perforated
she could not have perforated
we could not have perforated
you could not have perforated
they could not have perforated	I could not have been perforating
you could not have been perforating
she could not have been perforating
we could not have been perforating
you could not have been perforating
they could not have been perforating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I perforate?
could you perforate?
could she perforate?
could we perforate?
could you perforate?
could they perforate? 	could I be perforating?
could you be perforating?
could she be perforating?
could we be perforating?
could you be perforating?
could they be perforating? 	could I have perforated?
could you have perforated?
could she have perforated?
could we have perforated?
could you have perforated?
could they have perforated? 	could I have been perforating?
could you have been perforating?
could she have been perforating?
could we have been perforating?
could you have been perforating?
could they have been perforating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not perforate?
could you not perforate?
could she not perforate?
could we not perforate?
could you not perforate?
could they not perforate? 	could I not be perforating?
could you not be perforating?
could she not be perforating?
could we not be perforating?
could you not be perforating?
could they not be perforating? 	could I not have perforated?
could you not have perforated?
could she not have perforated?
could we not have perforated?
could you not have perforated?
could they not have perforated? 	could I not have been perforating?
could you not have been perforating?
could she not have been perforating?
could we not have been perforating?
could you not have been perforating?
could they not have been perforating?