English verb conjugation MUST TACK

Regular verb: tack - tacked - tacked

Affirmation

Simple form

I must tack
you must tack
he must tack
we must tack
you must tack
they must tack

V-ing form

I must be tacking
you must be tacking
he must be tacking
we must be tacking
you must be tacking
they must be tacking

Perfect

I must have tacked
you must have tacked
he must have tacked
we must have tacked
you must have tacked
they must have tacked

V-ing perfect

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

Negation

Simple form

I must not tack
you must not tack
he must not tack
we must not tack
you must not tack
they must not tack

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I tack?
must you tack?
must he tack?
must we tack?
must you tack?
must they tack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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