English verb conjugation MUST PREPLAN

Regular verb: preplan - preplaned - preplaned

Affirmation

Simple form

I must preplan
you must preplan
he must preplan
we must preplan
you must preplan
they must preplan

V-ing form

I must be preplaning
you must be preplaning
he must be preplaning
we must be preplaning
you must be preplaning
they must be preplaning

Perfect

I must have preplaned
you must have preplaned
he must have preplaned
we must have preplaned
you must have preplaned
they must have preplaned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I preplan?
must you preplan?
must he preplan?
must we preplan?
must you preplan?
must they preplan?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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