English verb conjugation MUST CREEP

Irregular verb: creep - crept - crept

Affirmation

Simple form

I must creep
you must creep
she must creep
we must creep
you must creep
they must creep

V-ing form

I must be creeping
you must be creeping
she must be creeping
we must be creeping
you must be creeping
they must be creeping

Perfect

I must have crept
you must have crept
she must have crept
we must have crept
you must have crept
they must have crept

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I creep?
must you creep?
must she creep?
must we creep?
must you creep?
must they creep?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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