English verb conjugation COULD EXPIRE

Regular verb: expire - expired - expired

Affirmation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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