English verb conjugation COULD EXPIRE EXPIRE

Regular verb: expire expire - expire expired - expire expired

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could expire expire
you could expire expire
he could expire expire
we could expire expire
you could expire expire
they could expire expire

V-ing form

I could be expire expiring
you could be expire expiring
he could be expire expiring
we could be expire expiring
you could be expire expiring
they could be expire expiring

Perfect

I could have expire expired
you could have expire expired
he could have expire expired
we could have expire expired
you could have expire expired
they could have expire expired

V-ing perfect

I could have been expire expiring
you could have been expire expiring
he could have been expire expiring
we could have been expire expiring
you could have been expire expiring
they could have been expire expiring

Negation

Simple form

I could not expire expire
you could not expire expire
he could not expire expire
we could not expire expire
you could not expire expire
they could not expire expire

V-ing form

I could not be expire expiring
you could not be expire expiring
he could not be expire expiring
we could not be expire expiring
you could not be expire expiring
they could not be expire expiring

Perfect

I could not have expire expired
you could not have expire expired
he could not have expire expired
we could not have expire expired
you could not have expire expired
they could not have expire expired

V-ing perfect

I could not have been expire expiring
you could not have been expire expiring
he could not have been expire expiring
we could not have been expire expiring
you could not have been expire expiring
they could not have been expire expiring

Interrogative form

Simple form

could I expire expire?
could you expire expire?
could he expire expire?
could we expire expire?
could you expire expire?
could they expire expire?

V-ing form

could I be expire expiring?
could you be expire expiring?
could he be expire expiring?
could we be expire expiring?
could you be expire expiring?
could they be expire expiring?

Perfect

could I have expire expired?
could you have expire expired?
could he have expire expired?
could we have expire expired?
could you have expire expired?
could they have expire expired?

V-ing perfect

could I have been expire expiring?
could you have been expire expiring?
could he have been expire expiring?
could we have been expire expiring?
could you have been expire expiring?
could they have been expire expiring?

Interro-negative form

Simple form

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

V-ing form

could I not be expire expiring?
could you not be expire expiring?
could he not be expire expiring?
could we not be expire expiring?
could you not be expire expiring?
could they not be expire expiring?

Perfect

could I not have expire expired?
could you not have expire expired?
could he not have expire expired?
could we not have expire expired?
could you not have expire expired?
could they not have expire expired?

V-ing perfect

could I not have been expire expiring?
could you not have been expire expiring?
could he not have been expire expiring?
could we not have been expire expiring?
could you not have been expire expiring?
could they not have been expire expiring?

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