English verb conjugation COULD SCUFF

Regular verb: scuff - scuffed - scuffed

Affirmation

Simple form

I could scuff
you could scuff
he could scuff
we could scuff
you could scuff
they could scuff

V-ing form

I could be scuffing
you could be scuffing
he could be scuffing
we could be scuffing
you could be scuffing
they could be scuffing

Perfect

I could have scuffed
you could have scuffed
he could have scuffed
we could have scuffed
you could have scuffed
they could have scuffed

V-ing perfect

I could have been scuffing
you could have been scuffing
he could have been scuffing
we could have been scuffing
you could have been scuffing
they could have been scuffing

Negation

Simple form

I could not scuff
you could not scuff
he could not scuff
we could not scuff
you could not scuff
they could not scuff

V-ing form

I could not be scuffing
you could not be scuffing
he could not be scuffing
we could not be scuffing
you could not be scuffing
they could not be scuffing

Perfect

I could not have scuffed
you could not have scuffed
he could not have scuffed
we could not have scuffed
you could not have scuffed
they could not have scuffed

V-ing perfect

I could not have been scuffing
you could not have been scuffing
he could not have been scuffing
we could not have been scuffing
you could not have been scuffing
they could not have been scuffing

Interrogative form

Simple form

could I scuff?
could you scuff?
could he scuff?
could we scuff?
could you scuff?
could they scuff?

V-ing form

could I be scuffing?
could you be scuffing?
could he be scuffing?
could we be scuffing?
could you be scuffing?
could they be scuffing?

Perfect

could I have scuffed?
could you have scuffed?
could he have scuffed?
could we have scuffed?
could you have scuffed?
could they have scuffed?

V-ing perfect

could I have been scuffing?
could you have been scuffing?
could he have been scuffing?
could we have been scuffing?
could you have been scuffing?
could they have been scuffing?

Interro-negative form

Simple form

could I not scuff?
could you not scuff?
could he not scuff?
could we not scuff?
could you not scuff?
could they not scuff?

V-ing form

could I not be scuffing?
could you not be scuffing?
could he not be scuffing?
could we not be scuffing?
could you not be scuffing?
could they not be scuffing?

Perfect

could I not have scuffed?
could you not have scuffed?
could he not have scuffed?
could we not have scuffed?
could you not have scuffed?
could they not have scuffed?

V-ing perfect

could I not have been scuffing?
could you not have been scuffing?
could he not have been scuffing?
could we not have been scuffing?
could you not have been scuffing?
could they not have been scuffing?

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