English verb conjugation MUST CHAFF

Regular verb: chaff - chaffed - chaffed

Affirmation

Simple form

I must chaff
you must chaff
he must chaff
we must chaff
you must chaff
they must chaff

V-ing form

I must be chaffing
you must be chaffing
he must be chaffing
we must be chaffing
you must be chaffing
they must be chaffing

Perfect

I must have chaffed
you must have chaffed
he must have chaffed
we must have chaffed
you must have chaffed
they must have chaffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I chaff?
must you chaff?
must he chaff?
must we chaff?
must you chaff?
must they chaff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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