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 couldn't engrain
you couldn't engrain
he couldn't engrain
we couldn't engrain
you couldn't engrain
they couldn't engrain

V-ing form

I couldn't be engraining
you couldn't be engraining
he couldn't be engraining
we couldn't be engraining
you couldn't be engraining
they couldn't be engraining

Perfect

I couldn't have engrained
you couldn't have engrained
he couldn't have engrained
we couldn't have engrained
you couldn't have engrained
they couldn't have engrained

V-ing perfect

I couldn't have been engraining
you couldn't have been engraining
he couldn't have been engraining
we couldn't have been engraining
you couldn't have been engraining
they couldn't 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

couldn't I engrain?
couldn't you engrain?
couldn't he engrain?
couldn't we engrain?
couldn't you engrain?
couldn't they engrain?

V-ing form

couldn't I be engraining?
couldn't you be engraining?
couldn't he be engraining?
couldn't we be engraining?
couldn't you be engraining?
couldn't they be engraining?

Perfect

couldn't I have engrained?
couldn't you have engrained?
couldn't he have engrained?
couldn't we have engrained?
couldn't you have engrained?
couldn't they have engrained?

V-ing perfect

couldn't I have been engraining?
couldn't you have been engraining?
couldn't he have been engraining?
couldn't we have been engraining?
couldn't you have been engraining?
couldn't they have been engraining?

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