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 couldn't ingrain
you couldn't ingrain
she couldn't ingrain
we couldn't ingrain
you couldn't ingrain
they couldn't ingrain 	I couldn't be ingraining
you couldn't be ingraining
she couldn't be ingraining
we couldn't be ingraining
you couldn't be ingraining
they couldn't be ingraining	I couldn't have ingrained
you couldn't have ingrained
she couldn't have ingrained
we couldn't have ingrained
you couldn't have ingrained
they couldn't have ingrained	I couldn't have been ingraining
you couldn't have been ingraining
she couldn't have been ingraining
we couldn't have been ingraining
you couldn't have been ingraining
they couldn't 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 	
couldn't I ingrain?
couldn't you ingrain?
couldn't she ingrain?
couldn't we ingrain?
couldn't you ingrain?
couldn't they ingrain? 	couldn't I be ingraining?
couldn't you be ingraining?
couldn't she be ingraining?
couldn't we be ingraining?
couldn't you be ingraining?
couldn't they be ingraining? 	couldn't I have ingrained?
couldn't you have ingrained?
couldn't she have ingrained?
couldn't we have ingrained?
couldn't you have ingrained?
couldn't they have ingrained? 	couldn't I have been ingraining?
couldn't you have been ingraining?
couldn't she have been ingraining?
couldn't we have been ingraining?
couldn't you have been ingraining?
couldn't they have been ingraining?