English verb conjugation MUST PREFACE

Regular verb: preface - prefaced - prefaced

Affirmation

Simple form

I must preface
you must preface
she must preface
we must preface
you must preface
they must preface

V-ing form

I must be prefacing
you must be prefacing
she must be prefacing
we must be prefacing
you must be prefacing
they must be prefacing

Perfect

I must have prefaced
you must have prefaced
she must have prefaced
we must have prefaced
you must have prefaced
they must have prefaced

V-ing perfect

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

Negation

Simple form

I must not preface
you must not preface
she must not preface
we must not preface
you must not preface
they must not preface

V-ing form

I must not be prefacing
you must not be prefacing
she must not be prefacing
we must not be prefacing
you must not be prefacing
they must not be prefacing

Perfect

I must not have prefaced
you must not have prefaced
she must not have prefaced
we must not have prefaced
you must not have prefaced
they must not have prefaced

V-ing perfect

I must not have been prefacing
you must not have been prefacing
she must not have been prefacing
we must not have been prefacing
you must not have been prefacing
they must not have been prefacing

Interrogative form

Simple form

must I preface?
must you preface?
must she preface?
must we preface?
must you preface?
must they preface?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not preface?
must you not preface?
must she not preface?
must we not preface?
must you not preface?
must they not preface?

V-ing form

must I not be prefacing?
must you not be prefacing?
must she not be prefacing?
must we not be prefacing?
must you not be prefacing?
must they not be prefacing?

Perfect

must I not have prefaced?
must you not have prefaced?
must she not have prefaced?
must we not have prefaced?
must you not have prefaced?
must they not have prefaced?

V-ing perfect

must I not have been prefacing?
must you not have been prefacing?
must she not have been prefacing?
must we not have been prefacing?
must you not have been prefacing?
must they not have been prefacing?

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