English verb conjugation MUST SIUM

Regular verb: sium - siumed - siumed

Affirmation

Simple form

I must sium
you must sium
she must sium
we must sium
you must sium
they must sium

V-ing form

I must be siuming
you must be siuming
she must be siuming
we must be siuming
you must be siuming
they must be siuming

Perfect

I must have siumed
you must have siumed
she must have siumed
we must have siumed
you must have siumed
they must have siumed

V-ing perfect

I must have been siuming
you must have been siuming
she must have been siuming
we must have been siuming
you must have been siuming
they must have been siuming

Negation

Simple form

I must not sium
you must not sium
she must not sium
we must not sium
you must not sium
they must not sium

V-ing form

I must not be siuming
you must not be siuming
she must not be siuming
we must not be siuming
you must not be siuming
they must not be siuming

Perfect

I must not have siumed
you must not have siumed
she must not have siumed
we must not have siumed
you must not have siumed
they must not have siumed

V-ing perfect

I must not have been siuming
you must not have been siuming
she must not have been siuming
we must not have been siuming
you must not have been siuming
they must not have been siuming

Interrogative form

Simple form

must I sium?
must you sium?
must she sium?
must we sium?
must you sium?
must they sium?

V-ing form

must I be siuming?
must you be siuming?
must she be siuming?
must we be siuming?
must you be siuming?
must they be siuming?

Perfect

must I have siumed?
must you have siumed?
must she have siumed?
must we have siumed?
must you have siumed?
must they have siumed?

V-ing perfect

must I have been siuming?
must you have been siuming?
must she have been siuming?
must we have been siuming?
must you have been siuming?
must they have been siuming?

Interro-negative form

Simple form

must I not sium?
must you not sium?
must she not sium?
must we not sium?
must you not sium?
must they not sium?

V-ing form

must I not be siuming?
must you not be siuming?
must she not be siuming?
must we not be siuming?
must you not be siuming?
must they not be siuming?

Perfect

must I not have siumed?
must you not have siumed?
must she not have siumed?
must we not have siumed?
must you not have siumed?
must they not have siumed?

V-ing perfect

must I not have been siuming?
must you not have been siuming?
must she not have been siuming?
must we not have been siuming?
must you not have been siuming?
must they not have been siuming?

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