English verb conjugation CAN KNUCKLE

Regular verb: knuckle - knuckled - knuckled

Affirmation

Simple form

I can knuckle
you can knuckle
she can knuckle
we can knuckle
you can knuckle
they can knuckle

V-ing form

I can be knuckling
you can be knuckling
she can be knuckling
we can be knuckling
you can be knuckling
they can be knuckling

Perfect

I can have knuckled
you can have knuckled
she can have knuckled
we can have knuckled
you can have knuckled
they can have knuckled

V-ing perfect

I can have been knuckling
you can have been knuckling
she can have been knuckling
we can have been knuckling
you can have been knuckling
they can have been knuckling

Negation

Simple form

I cannot knuckle
you cannot knuckle
she cannot knuckle
we cannot knuckle
you cannot knuckle
they cannot knuckle

V-ing form

I cannot be knuckling
you cannot be knuckling
she cannot be knuckling
we cannot be knuckling
you cannot be knuckling
they cannot be knuckling

Perfect

I cannot have knuckled
you cannot have knuckled
she cannot have knuckled
we cannot have knuckled
you cannot have knuckled
they cannot have knuckled

V-ing perfect

I cannot have been knuckling
you cannot have been knuckling
she cannot have been knuckling
we cannot have been knuckling
you cannot have been knuckling
they cannot have been knuckling

Interrogative form

Simple form

can I knuckle?
can you knuckle?
can she knuckle?
can we knuckle?
can you knuckle?
can they knuckle?

V-ing form

can I be knuckling?
can you be knuckling?
can she be knuckling?
can we be knuckling?
can you be knuckling?
can they be knuckling?

Perfect

can I have knuckled?
can you have knuckled?
can she have knuckled?
can we have knuckled?
can you have knuckled?
can they have knuckled?

V-ing perfect

can I have been knuckling?
can you have been knuckling?
can she have been knuckling?
can we have been knuckling?
can you have been knuckling?
can they have been knuckling?

Interro-negative form

Simple form

can I not knuckle?
can you not knuckle?
can she not knuckle?
can we not knuckle?
can you not knuckle?
can they not knuckle?

V-ing form

can I not be knuckling?
can you not be knuckling?
can she not be knuckling?
can we not be knuckling?
can you not be knuckling?
can they not be knuckling?

Perfect

can I not have knuckled?
can you not have knuckled?
can she not have knuckled?
can we not have knuckled?
can you not have knuckled?
can they not have knuckled?

V-ing perfect

can I not have been knuckling?
can you not have been knuckling?
can she not have been knuckling?
can we not have been knuckling?
can you not have been knuckling?
can they not have been knuckling?

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