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 mustn't plank
you mustn't plank
he mustn't plank
we mustn't plank
you mustn't plank
they mustn't plank

V-ing form

I mustn't be planking
you mustn't be planking
he mustn't be planking
we mustn't be planking
you mustn't be planking
they mustn't be planking

Perfect

I mustn't have planked
you mustn't have planked
he mustn't have planked
we mustn't have planked
you mustn't have planked
they mustn't have planked

V-ing perfect

I mustn't have been planking
you mustn't have been planking
he mustn't have been planking
we mustn't have been planking
you mustn't have been planking
they mustn't 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

mustn't I plank?
mustn't you plank?
mustn't he plank?
mustn't we plank?
mustn't you plank?
mustn't they plank?

V-ing form

mustn't I be planking?
mustn't you be planking?
mustn't he be planking?
mustn't we be planking?
mustn't you be planking?
mustn't they be planking?

Perfect

mustn't I have planked?
mustn't you have planked?
mustn't he have planked?
mustn't we have planked?
mustn't you have planked?
mustn't they have planked?

V-ing perfect

mustn't I have been planking?
mustn't you have been planking?
mustn't he have been planking?
mustn't we have been planking?
mustn't you have been planking?
mustn't they have been planking?

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