English verb conjugation MUST UNDERCOUNT

Regular verb: undercount - undercounted - undercounted

Affirmation

Simple form

I must undercount
you must undercount
he must undercount
we must undercount
you must undercount
they must undercount

V-ing form

I must be undercounting
you must be undercounting
he must be undercounting
we must be undercounting
you must be undercounting
they must be undercounting

Perfect

I must have undercounted
you must have undercounted
he must have undercounted
we must have undercounted
you must have undercounted
they must have undercounted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I undercount?
must you undercount?
must he undercount?
must we undercount?
must you undercount?
must they undercount?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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