English verb conjugation MUST PLANK

Regular verb: plank - planked - planked

Affirmation

Simple form

I must plank
you must plank
he must plank
we must plank
you must plank
they must plank

V-ing form

I must be planking
you must be planking
he must be planking
we must be planking
you must be planking
they must be planking

Perfect

I must have planked
you must have planked
he must have planked
we must have planked
you must have planked
they must have planked

V-ing perfect

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

Negation

Simple form

I must not plank
you must not plank
he must not plank
we must not plank
you must not plank
they must not plank

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I plank?
must you plank?
must he plank?
must we plank?
must you plank?
must they plank?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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