English verb conjugation MUST CALCULATE

Regular verb: calculate - calculated - calculated

Affirmation

Simple form

I must calculate
you must calculate
she must calculate
we must calculate
you must calculate
they must calculate

V-ing form

I must be calculating
you must be calculating
she must be calculating
we must be calculating
you must be calculating
they must be calculating

Perfect

I must have calculated
you must have calculated
she must have calculated
we must have calculated
you must have calculated
they must have calculated

V-ing perfect

I must have been calculating
you must have been calculating
she must have been calculating
we must have been calculating
you must have been calculating
they must have been calculating

Negation

Simple form

I mustn't calculate
you mustn't calculate
she mustn't calculate
we mustn't calculate
you mustn't calculate
they mustn't calculate

V-ing form

I mustn't be calculating
you mustn't be calculating
she mustn't be calculating
we mustn't be calculating
you mustn't be calculating
they mustn't be calculating

Perfect

I mustn't have calculated
you mustn't have calculated
she mustn't have calculated
we mustn't have calculated
you mustn't have calculated
they mustn't have calculated

V-ing perfect

I mustn't have been calculating
you mustn't have been calculating
she mustn't have been calculating
we mustn't have been calculating
you mustn't have been calculating
they mustn't have been calculating

Interrogative form

Simple form

must I calculate?
must you calculate?
must she calculate?
must we calculate?
must you calculate?
must they calculate?

V-ing form

must I be calculating?
must you be calculating?
must she be calculating?
must we be calculating?
must you be calculating?
must they be calculating?

Perfect

must I have calculated?
must you have calculated?
must she have calculated?
must we have calculated?
must you have calculated?
must they have calculated?

V-ing perfect

must I have been calculating?
must you have been calculating?
must she have been calculating?
must we have been calculating?
must you have been calculating?
must they have been calculating?

Interro-negative form

Simple form

mustn't I calculate?
mustn't you calculate?
mustn't she calculate?
mustn't we calculate?
mustn't you calculate?
mustn't they calculate?

V-ing form

mustn't I be calculating?
mustn't you be calculating?
mustn't she be calculating?
mustn't we be calculating?
mustn't you be calculating?
mustn't they be calculating?

Perfect

mustn't I have calculated?
mustn't you have calculated?
mustn't she have calculated?
mustn't we have calculated?
mustn't you have calculated?
mustn't they have calculated?

V-ing perfect

mustn't I have been calculating?
mustn't you have been calculating?
mustn't she have been calculating?
mustn't we have been calculating?
mustn't you have been calculating?
mustn't they have been calculating?

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