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 couldn't scoff
you couldn't scoff
he couldn't scoff
we couldn't scoff
you couldn't scoff
they couldn't scoff

V-ing form

I couldn't be scoffing
you couldn't be scoffing
he couldn't be scoffing
we couldn't be scoffing
you couldn't be scoffing
they couldn't be scoffing

Perfect

I couldn't have scoffed
you couldn't have scoffed
he couldn't have scoffed
we couldn't have scoffed
you couldn't have scoffed
they couldn't have scoffed

V-ing perfect

I couldn't have been scoffing
you couldn't have been scoffing
he couldn't have been scoffing
we couldn't have been scoffing
you couldn't have been scoffing
they couldn't 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

couldn't I scoff?
couldn't you scoff?
couldn't he scoff?
couldn't we scoff?
couldn't you scoff?
couldn't they scoff?

V-ing form

couldn't I be scoffing?
couldn't you be scoffing?
couldn't he be scoffing?
couldn't we be scoffing?
couldn't you be scoffing?
couldn't they be scoffing?

Perfect

couldn't I have scoffed?
couldn't you have scoffed?
couldn't he have scoffed?
couldn't we have scoffed?
couldn't you have scoffed?
couldn't they have scoffed?

V-ing perfect

couldn't I have been scoffing?
couldn't you have been scoffing?
couldn't he have been scoffing?
couldn't we have been scoffing?
couldn't you have been scoffing?
couldn't they have been scoffing?

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