English verb conjugation MUST CANKER

Regular verb: canker - cankered - cankered

Affirmation

Simple form

I must canker
you must canker
he must canker
we must canker
you must canker
they must canker

V-ing form

I must be cankering
you must be cankering
he must be cankering
we must be cankering
you must be cankering
they must be cankering

Perfect

I must have cankered
you must have cankered
he must have cankered
we must have cankered
you must have cankered
they must have cankered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I canker?
must you canker?
must he canker?
must we canker?
must you canker?
must they canker?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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