English verb conjugation MUST BACKPACK

Regular verb: backpack - backpacked - backpacked

Affirmation

Simple form

I must backpack
you must backpack
he must backpack
we must backpack
you must backpack
they must backpack

V-ing form

I must be backpacking
you must be backpacking
he must be backpacking
we must be backpacking
you must be backpacking
they must be backpacking

Perfect

I must have backpacked
you must have backpacked
he must have backpacked
we must have backpacked
you must have backpacked
they must have backpacked

V-ing perfect

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

Negation

Simple form

I must not backpack
you must not backpack
he must not backpack
we must not backpack
you must not backpack
they must not backpack

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I backpack?
must you backpack?
must he backpack?
must we backpack?
must you backpack?
must they backpack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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