English verb conjugation MUST UNDERSTOCK

Regular verb: understock - understocked - understocked

Affirmation

Simple form

I must understock
you must understock
he must understock
we must understock
you must understock
they must understock

V-ing form

I must be understocking
you must be understocking
he must be understocking
we must be understocking
you must be understocking
they must be understocking

Perfect

I must have understocked
you must have understocked
he must have understocked
we must have understocked
you must have understocked
they must have understocked

V-ing perfect

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

Negation

Simple form

I mustn't understock
you mustn't understock
he mustn't understock
we mustn't understock
you mustn't understock
they mustn't understock

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I understock?
must you understock?
must he understock?
must we understock?
must you understock?
must they understock?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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