English verb conjugation MUST RACK

Regular verb: rack - racked - racked

Affirmation

Simple form

I must rack
you must rack
he must rack
we must rack
you must rack
they must rack

V-ing form

I must be racking
you must be racking
he must be racking
we must be racking
you must be racking
they must be racking

Perfect

I must have racked
you must have racked
he must have racked
we must have racked
you must have racked
they must have racked

V-ing perfect

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

Negation

Simple form

I must not rack
you must not rack
he must not rack
we must not rack
you must not rack
they must not rack

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I rack?
must you rack?
must he rack?
must we rack?
must you rack?
must they rack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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