English verb conjugation MUST SACK SACK

Regular verb: sack sack - sack sacked - sack sacked

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

Affirmation

Simple form

I must sack sack
you must sack sack
he must sack sack
we must sack sack
you must sack sack
they must sack sack

V-ing form

I must be sack sacking
you must be sack sacking
he must be sack sacking
we must be sack sacking
you must be sack sacking
they must be sack sacking

Perfect

I must have sack sacked
you must have sack sacked
he must have sack sacked
we must have sack sacked
you must have sack sacked
they must have sack sacked

V-ing perfect

I must have been sack sacking
you must have been sack sacking
he must have been sack sacking
we must have been sack sacking
you must have been sack sacking
they must have been sack sacking

Negation

Simple form

I must not sack sack
you must not sack sack
he must not sack sack
we must not sack sack
you must not sack sack
they must not sack sack

V-ing form

I must not be sack sacking
you must not be sack sacking
he must not be sack sacking
we must not be sack sacking
you must not be sack sacking
they must not be sack sacking

Perfect

I must not have sack sacked
you must not have sack sacked
he must not have sack sacked
we must not have sack sacked
you must not have sack sacked
they must not have sack sacked

V-ing perfect

I must not have been sack sacking
you must not have been sack sacking
he must not have been sack sacking
we must not have been sack sacking
you must not have been sack sacking
they must not have been sack sacking

Interrogative form

Simple form

must I sack sack?
must you sack sack?
must he sack sack?
must we sack sack?
must you sack sack?
must they sack sack?

V-ing form

must I be sack sacking?
must you be sack sacking?
must he be sack sacking?
must we be sack sacking?
must you be sack sacking?
must they be sack sacking?

Perfect

must I have sack sacked?
must you have sack sacked?
must he have sack sacked?
must we have sack sacked?
must you have sack sacked?
must they have sack sacked?

V-ing perfect

must I have been sack sacking?
must you have been sack sacking?
must he have been sack sacking?
must we have been sack sacking?
must you have been sack sacking?
must they have been sack sacking?

Interro-negative form

Simple form

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

V-ing form

must I not be sack sacking?
must you not be sack sacking?
must he not be sack sacking?
must we not be sack sacking?
must you not be sack sacking?
must they not be sack sacking?

Perfect

must I not have sack sacked?
must you not have sack sacked?
must he not have sack sacked?
must we not have sack sacked?
must you not have sack sacked?
must they not have sack sacked?

V-ing perfect

must I not have been sack sacking?
must you not have been sack sacking?
must he not have been sack sacking?
must we not have been sack sacking?
must you not have been sack sacking?
must they not have been sack sacking?

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