could ingrain
Verbe régulier : ingrain - ingrained- ingrained

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could ingrain
you could ingrain
she could ingrain
we could ingrain
you could ingrain
they could ingrain 	I could be ingraining
you could be ingraining
she could be ingraining
we could be ingraining
you could be ingraining
they could be ingraining	I could have ingrained
you could have ingrained
she could have ingrained
we could have ingrained
you could have ingrained
they could have ingrained	I could have been ingraining
you could have been ingraining
she could have been ingraining
we could have been ingraining
you could have been ingraining
they could have been ingraining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not ingrain
you could not ingrain
she could not ingrain
we could not ingrain
you could not ingrain
they could not ingrain 	I could not be ingraining
you could not be ingraining
she could not be ingraining
we could not be ingraining
you could not be ingraining
they could not be ingraining	I could not have ingrained
you could not have ingrained
she could not have ingrained
we could not have ingrained
you could not have ingrained
they could not have ingrained	I could not have been ingraining
you could not have been ingraining
she could not have been ingraining
we could not have been ingraining
you could not have been ingraining
they could not have been ingraining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ingrain?
could you ingrain?
could she ingrain?
could we ingrain?
could you ingrain?
could they ingrain? 	could I be ingraining?
could you be ingraining?
could she be ingraining?
could we be ingraining?
could you be ingraining?
could they be ingraining? 	could I have ingrained?
could you have ingrained?
could she have ingrained?
could we have ingrained?
could you have ingrained?
could they have ingrained? 	could I have been ingraining?
could you have been ingraining?
could she have been ingraining?
could we have been ingraining?
could you have been ingraining?
could they have been ingraining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not ingrain?
could you not ingrain?
could she not ingrain?
could we not ingrain?
could you not ingrain?
could they not ingrain? 	could I not be ingraining?
could you not be ingraining?
could she not be ingraining?
could we not be ingraining?
could you not be ingraining?
could they not be ingraining? 	could I not have ingrained?
could you not have ingrained?
could she not have ingrained?
could we not have ingrained?
could you not have ingrained?
could they not have ingrained? 	could I not have been ingraining?
could you not have been ingraining?
could she not have been ingraining?
could we not have been ingraining?
could you not have been ingraining?
could they not have been ingraining?