could modify
Verbe régulier : modify - modified- modified
Traduction française : modifier - modérer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could modify
you could modify
he could modify
we could modify
you could modify
they could modify 	I could be modifying
you could be modifying
he could be modifying
we could be modifying
you could be modifying
they could be modifying	I could have modified
you could have modified
he could have modified
we could have modified
you could have modified
they could have modified	I could have been modifying
you could have been modifying
he could have been modifying
we could have been modifying
you could have been modifying
they could have been modifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not modify
you could not modify
he could not modify
we could not modify
you could not modify
they could not modify 	I could not be modifying
you could not be modifying
he could not be modifying
we could not be modifying
you could not be modifying
they could not be modifying	I could not have modified
you could not have modified
he could not have modified
we could not have modified
you could not have modified
they could not have modified	I could not have been modifying
you could not have been modifying
he could not have been modifying
we could not have been modifying
you could not have been modifying
they could not have been modifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I modify?
could you modify?
could he modify?
could we modify?
could you modify?
could they modify? 	could I be modifying?
could you be modifying?
could he be modifying?
could we be modifying?
could you be modifying?
could they be modifying? 	could I have modified?
could you have modified?
could he have modified?
could we have modified?
could you have modified?
could they have modified? 	could I have been modifying?
could you have been modifying?
could he have been modifying?
could we have been modifying?
could you have been modifying?
could they have been modifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not modify?
could you not modify?
could he not modify?
could we not modify?
could you not modify?
could they not modify? 	could I not be modifying?
could you not be modifying?
could he not be modifying?
could we not be modifying?
could you not be modifying?
could they not be modifying? 	could I not have modified?
could you not have modified?
could he not have modified?
could we not have modified?
could you not have modified?
could they not have modified? 	could I not have been modifying?
could you not have been modifying?
could he not have been modifying?
could we not have been modifying?
could you not have been modifying?
could they not have been modifying?