English verb conjugation COULD SCUFF

Regular verb: scuff - scuffed - scuffed

Affirmation

Simple form

I could scuff
you could scuff
she could scuff
we could scuff
you could scuff
they could scuff

V-ing form

I could be scuffing
you could be scuffing
she could be scuffing
we could be scuffing
you could be scuffing
they could be scuffing

Perfect

I could have scuffed
you could have scuffed
she 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
she 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
she 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
she 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
she 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
she 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 she scuff?
could we scuff?
could you scuff?
could they scuff?

V-ing form

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

Perfect

could I have scuffed?
could you have scuffed?
could she 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 she 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 she 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 she 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 she 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 she 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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