English verb conjugation CAN SCUFF

Regular verb: scuff - scuffed - scuffed

Affirmation

Simple form

I can scuff
you can scuff
he can scuff
we can scuff
you can scuff
they can scuff

V-ing form

I can be scuffing
you can be scuffing
he can be scuffing
we can be scuffing
you can be scuffing
they can be scuffing

Perfect

I can have scuffed
you can have scuffed
he can have scuffed
we can have scuffed
you can have scuffed
they can have scuffed

V-ing perfect

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

Negation

Simple form

I can't scuff
you can't scuff
he can't scuff
we can't scuff
you can't scuff
they can't scuff

V-ing form

I can't be scuffing
you can't be scuffing
he can't be scuffing
we can't be scuffing
you can't be scuffing
they can't be scuffing

Perfect

I can't have scuffed
you can't have scuffed
he can't have scuffed
we can't have scuffed
you can't have scuffed
they can't have scuffed

V-ing perfect

I can't have been scuffing
you can't have been scuffing
he can't have been scuffing
we can't have been scuffing
you can't have been scuffing
they can't have been scuffing

Interrogative form

Simple form

can I scuff?
can you scuff?
can he scuff?
can we scuff?
can you scuff?
can they scuff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I scuff?
can't you scuff?
can't he scuff?
can't we scuff?
can't you scuff?
can't they scuff?

V-ing form

can't I be scuffing?
can't you be scuffing?
can't he be scuffing?
can't we be scuffing?
can't you be scuffing?
can't they be scuffing?

Perfect

can't I have scuffed?
can't you have scuffed?
can't he have scuffed?
can't we have scuffed?
can't you have scuffed?
can't they have scuffed?

V-ing perfect

can't I have been scuffing?
can't you have been scuffing?
can't he have been scuffing?
can't we have been scuffing?
can't you have been scuffing?
can't they have been scuffing?

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