English verb conjugation COULD SCOFF

Regular verb: scoff - scoffed - scoffed

Affirmation

Simple form

I could scoff
you could scoff
he could scoff
we could scoff
you could scoff
they could scoff

V-ing form

I could be scoffing
you could be scoffing
he could be scoffing
we could be scoffing
you could be scoffing
they could be scoffing

Perfect

I could have scoffed
you could have scoffed
he could have scoffed
we could have scoffed
you could have scoffed
they could have scoffed

V-ing perfect

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

Negation

Simple form

I could not scoff
you could not scoff
he could not scoff
we could not scoff
you could not scoff
they could not scoff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I scoff?
could you scoff?
could he scoff?
could we scoff?
could you scoff?
could they scoff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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