English verb conjugation MUST PREPURCHASE

Regular verb: prepurchase - prepurchased - prepurchased

Affirmation

Simple form

I must prepurchase
you must prepurchase
he must prepurchase
we must prepurchase
you must prepurchase
they must prepurchase

V-ing form

I must be prepurchasing
you must be prepurchasing
he must be prepurchasing
we must be prepurchasing
you must be prepurchasing
they must be prepurchasing

Perfect

I must have prepurchased
you must have prepurchased
he must have prepurchased
we must have prepurchased
you must have prepurchased
they must have prepurchased

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I prepurchase?
must you prepurchase?
must he prepurchase?
must we prepurchase?
must you prepurchase?
must they prepurchase?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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