English verb conjugation COULD SCUPPER

Regular verb: scupper - scuppered - scuppered

Affirmation

Simple form

I could scupper
you could scupper
she could scupper
we could scupper
you could scupper
they could scupper

V-ing form

I could be scuppering
you could be scuppering
she could be scuppering
we could be scuppering
you could be scuppering
they could be scuppering

Perfect

I could have scuppered
you could have scuppered
she could have scuppered
we could have scuppered
you could have scuppered
they could have scuppered

V-ing perfect

I could have been scuppering
you could have been scuppering
she could have been scuppering
we could have been scuppering
you could have been scuppering
they could have been scuppering

Negation

Simple form

I couldn't scupper
you couldn't scupper
she couldn't scupper
we couldn't scupper
you couldn't scupper
they couldn't scupper

V-ing form

I couldn't be scuppering
you couldn't be scuppering
she couldn't be scuppering
we couldn't be scuppering
you couldn't be scuppering
they couldn't be scuppering

Perfect

I couldn't have scuppered
you couldn't have scuppered
she couldn't have scuppered
we couldn't have scuppered
you couldn't have scuppered
they couldn't have scuppered

V-ing perfect

I couldn't have been scuppering
you couldn't have been scuppering
she couldn't have been scuppering
we couldn't have been scuppering
you couldn't have been scuppering
they couldn't have been scuppering

Interrogative form

Simple form

could I scupper?
could you scupper?
could she scupper?
could we scupper?
could you scupper?
could they scupper?

V-ing form

could I be scuppering?
could you be scuppering?
could she be scuppering?
could we be scuppering?
could you be scuppering?
could they be scuppering?

Perfect

could I have scuppered?
could you have scuppered?
could she have scuppered?
could we have scuppered?
could you have scuppered?
could they have scuppered?

V-ing perfect

could I have been scuppering?
could you have been scuppering?
could she have been scuppering?
could we have been scuppering?
could you have been scuppering?
could they have been scuppering?

Interro-negative form

Simple form

couldn't I scupper?
couldn't you scupper?
couldn't she scupper?
couldn't we scupper?
couldn't you scupper?
couldn't they scupper?

V-ing form

couldn't I be scuppering?
couldn't you be scuppering?
couldn't she be scuppering?
couldn't we be scuppering?
couldn't you be scuppering?
couldn't they be scuppering?

Perfect

couldn't I have scuppered?
couldn't you have scuppered?
couldn't she have scuppered?
couldn't we have scuppered?
couldn't you have scuppered?
couldn't they have scuppered?

V-ing perfect

couldn't I have been scuppering?
couldn't you have been scuppering?
couldn't she have been scuppering?
couldn't we have been scuppering?
couldn't you have been scuppering?
couldn't they have been scuppering?

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