English verb conjugation MUST COIF

Regular verb: coif - coifed - coifed

Affirmation

Simple form

I must coif
you must coif
he must coif
we must coif
you must coif
they must coif

V-ing form

I must be coifing
you must be coifing
he must be coifing
we must be coifing
you must be coifing
they must be coifing

Perfect

I must have coifed
you must have coifed
he must have coifed
we must have coifed
you must have coifed
they must have coifed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I coif?
must you coif?
must he coif?
must we coif?
must you coif?
must they coif?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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