English verb conjugation MUST SCUPPER

Regular verb: scupper - scuppered - scuppered

Affirmation

Simple form

I must scupper
you must scupper
he must scupper
we must scupper
you must scupper
they must scupper

V-ing form

I must be scuppering
you must be scuppering
he must be scuppering
we must be scuppering
you must be scuppering
they must be scuppering

Perfect

I must have scuppered
you must have scuppered
he must have scuppered
we must have scuppered
you must have scuppered
they must have scuppered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I scupper?
must you scupper?
must he scupper?
must we scupper?
must you scupper?
must they scupper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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