English verb conjugation COULD SPRAIN

Regular verb: sprain - sprained - sprained

Affirmation

Simple form

I could sprain
you could sprain
he could sprain
we could sprain
you could sprain
they could sprain

V-ing form

I could be spraining
you could be spraining
he could be spraining
we could be spraining
you could be spraining
they could be spraining

Perfect

I could have sprained
you could have sprained
he could have sprained
we could have sprained
you could have sprained
they could have sprained

V-ing perfect

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

Negation

Simple form

I could not sprain
you could not sprain
he could not sprain
we could not sprain
you could not sprain
they could not sprain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sprain?
could you sprain?
could he sprain?
could we sprain?
could you sprain?
could they sprain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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