English verb conjugation MUST PERTAIN

Regular verb: pertain - pertained - pertained

Affirmation

Simple form

I must pertain
you must pertain
he must pertain
we must pertain
you must pertain
they must pertain

V-ing form

I must be pertaining
you must be pertaining
he must be pertaining
we must be pertaining
you must be pertaining
they must be pertaining

Perfect

I must have pertained
you must have pertained
he must have pertained
we must have pertained
you must have pertained
they must have pertained

V-ing perfect

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

Negation

Simple form

I must not pertain
you must not pertain
he must not pertain
we must not pertain
you must not pertain
they must not pertain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I pertain?
must you pertain?
must he pertain?
must we pertain?
must you pertain?
must they pertain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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