English verb conjugation COULD REFRAIN

Regular verb: refrain - refrained - refrained

Affirmation

Simple form

I could refrain
you could refrain
he could refrain
we could refrain
you could refrain
they could refrain

V-ing form

I could be refraining
you could be refraining
he could be refraining
we could be refraining
you could be refraining
they could be refraining

Perfect

I could have refrained
you could have refrained
he could have refrained
we could have refrained
you could have refrained
they could have refrained

V-ing perfect

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

Negation

Simple form

I could not refrain
you could not refrain
he could not refrain
we could not refrain
you could not refrain
they could not refrain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I refrain?
could you refrain?
could he refrain?
could we refrain?
could you refrain?
could they refrain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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