English verb conjugation CAN SCRATCH

Regular verb: scratch - scratched - scratched

Affirmation

Simple form

I can scratch
you can scratch
he can scratch
we can scratch
you can scratch
they can scratch

V-ing form

I can be scratching
you can be scratching
he can be scratching
we can be scratching
you can be scratching
they can be scratching

Perfect

I can have scratched
you can have scratched
he can have scratched
we can have scratched
you can have scratched
they can have scratched

V-ing perfect

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

Negation

Simple form

I cannot scratch
you cannot scratch
he cannot scratch
we cannot scratch
you cannot scratch
they cannot scratch

V-ing form

I cannot be scratching
you cannot be scratching
he cannot be scratching
we cannot be scratching
you cannot be scratching
they cannot be scratching

Perfect

I cannot have scratched
you cannot have scratched
he cannot have scratched
we cannot have scratched
you cannot have scratched
they cannot have scratched

V-ing perfect

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

Interrogative form

Simple form

can I scratch?
can you scratch?
can he scratch?
can we scratch?
can you scratch?
can they scratch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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