English verb conjugation CAN SCOFF

Regular verb: scoff - scoffed - scoffed

Affirmation

Simple form

I can scoff
you can scoff
he can scoff
we can scoff
you can scoff
they can scoff

V-ing form

I can be scoffing
you can be scoffing
he can be scoffing
we can be scoffing
you can be scoffing
they can be scoffing

Perfect

I can have scoffed
you can have scoffed
he can have scoffed
we can have scoffed
you can have scoffed
they can have scoffed

V-ing perfect

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

Negation

Simple form

I cannot scoff
you cannot scoff
he cannot scoff
we cannot scoff
you cannot scoff
they cannot scoff

V-ing form

I cannot be scoffing
you cannot be scoffing
he cannot be scoffing
we cannot be scoffing
you cannot be scoffing
they cannot be scoffing

Perfect

I cannot have scoffed
you cannot have scoffed
he cannot have scoffed
we cannot have scoffed
you cannot have scoffed
they cannot have scoffed

V-ing perfect

I cannot have been scoffing
you cannot have been scoffing
he cannot have been scoffing
we cannot have been scoffing
you cannot have been scoffing
they cannot have been scoffing

Interrogative form

Simple form

can I scoff?
can you scoff?
can he scoff?
can we scoff?
can you scoff?
can they scoff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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