could ingrain
Verbo regolare: ingrain - ingrained- ingrained

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could ingrain
you could ingrain
he could ingrain
we could ingrain
you could ingrain
they could ingrain 	I could be ingraining
you could be ingraining
he could be ingraining
we could be ingraining
you could be ingraining
they could be ingraining	I could have ingrained
you could have ingrained
he 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
he could have been ingraining
we could have been ingraining
you could have been ingraining
they could have been ingraining	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't ingrain
you couldn't ingrain
he 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
he 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
he 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
he couldn't have been ingraining
we couldn't have been ingraining
you couldn't have been ingraining
they couldn't have been ingraining	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I ingrain?
could you ingrain?
could he ingrain?
could we ingrain?
could you ingrain?
could they ingrain? 	could I be ingraining?
could you be ingraining?
could he be ingraining?
could we be ingraining?
could you be ingraining?
could they be ingraining? 	could I have ingrained?
could you have ingrained?
could he 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 he have been ingraining?
could we have been ingraining?
could you have been ingraining?
could they have been ingraining? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I ingrain?
couldn't you ingrain?
couldn't he 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 he 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 he 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 he have been ingraining?
couldn't we have been ingraining?
couldn't you have been ingraining?
couldn't they have been ingraining?