English verb conjugation COULD PERTAIN

Regular verb: pertain - pertained - pertained

Affirmation

Simple form

I could pertain
you could pertain
he could pertain
we could pertain
you could pertain
they could pertain

V-ing form

I could be pertaining
you could be pertaining
he could be pertaining
we could be pertaining
you could be pertaining
they could be pertaining

Perfect

I could have pertained
you could have pertained
he could have pertained
we could have pertained
you could have pertained
they could have pertained

V-ing perfect

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

Negation

Simple form

I could not pertain
you could not pertain
he could not pertain
we could not pertain
you could not pertain
they could not pertain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I pertain?
could you pertain?
could he pertain?
could we pertain?
could you pertain?
could they pertain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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