English verb conjugation COULD ENGRAIN

Regular verb: engrain - engrained - engrained

Affirmation

Simple form

I could engrain
you could engrain
he could engrain
we could engrain
you could engrain
they could engrain

V-ing form

I could be engraining
you could be engraining
he could be engraining
we could be engraining
you could be engraining
they could be engraining

Perfect

I could have engrained
you could have engrained
he could have engrained
we could have engrained
you could have engrained
they could have engrained

V-ing perfect

I could have been engraining
you could have been engraining
he could have been engraining
we could have been engraining
you could have been engraining
they could have been engraining

Negation

Simple form

I could not engrain
you could not engrain
he could not engrain
we could not engrain
you could not engrain
they could not engrain

V-ing form

I could not be engraining
you could not be engraining
he could not be engraining
we could not be engraining
you could not be engraining
they could not be engraining

Perfect

I could not have engrained
you could not have engrained
he could not have engrained
we could not have engrained
you could not have engrained
they could not have engrained

V-ing perfect

I could not have been engraining
you could not have been engraining
he could not have been engraining
we could not have been engraining
you could not have been engraining
they could not have been engraining

Interrogative form

Simple form

could I engrain?
could you engrain?
could he engrain?
could we engrain?
could you engrain?
could they engrain?

V-ing form

could I be engraining?
could you be engraining?
could he be engraining?
could we be engraining?
could you be engraining?
could they be engraining?

Perfect

could I have engrained?
could you have engrained?
could he have engrained?
could we have engrained?
could you have engrained?
could they have engrained?

V-ing perfect

could I have been engraining?
could you have been engraining?
could he have been engraining?
could we have been engraining?
could you have been engraining?
could they have been engraining?

Interro-negative form

Simple form

could I not engrain?
could you not engrain?
could he not engrain?
could we not engrain?
could you not engrain?
could they not engrain?

V-ing form

could I not be engraining?
could you not be engraining?
could he not be engraining?
could we not be engraining?
could you not be engraining?
could they not be engraining?

Perfect

could I not have engrained?
could you not have engrained?
could he not have engrained?
could we not have engrained?
could you not have engrained?
could they not have engrained?

V-ing perfect

could I not have been engraining?
could you not have been engraining?
could he not have been engraining?
could we not have been engraining?
could you not have been engraining?
could they not have been engraining?

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