English verb conjugation COULD PLONK

Regular verb: plonk - plonked - plonked

Affirmation

Simple form

I could plonk
you could plonk
he could plonk
we could plonk
you could plonk
they could plonk

V-ing form

I could be plonking
you could be plonking
he could be plonking
we could be plonking
you could be plonking
they could be plonking

Perfect

I could have plonked
you could have plonked
he could have plonked
we could have plonked
you could have plonked
they could have plonked

V-ing perfect

I could have been plonking
you could have been plonking
he could have been plonking
we could have been plonking
you could have been plonking
they could have been plonking

Negation

Simple form

I could not plonk
you could not plonk
he could not plonk
we could not plonk
you could not plonk
they could not plonk

V-ing form

I could not be plonking
you could not be plonking
he could not be plonking
we could not be plonking
you could not be plonking
they could not be plonking

Perfect

I could not have plonked
you could not have plonked
he could not have plonked
we could not have plonked
you could not have plonked
they could not have plonked

V-ing perfect

I could not have been plonking
you could not have been plonking
he could not have been plonking
we could not have been plonking
you could not have been plonking
they could not have been plonking

Interrogative form

Simple form

could I plonk?
could you plonk?
could he plonk?
could we plonk?
could you plonk?
could they plonk?

V-ing form

could I be plonking?
could you be plonking?
could he be plonking?
could we be plonking?
could you be plonking?
could they be plonking?

Perfect

could I have plonked?
could you have plonked?
could he have plonked?
could we have plonked?
could you have plonked?
could they have plonked?

V-ing perfect

could I have been plonking?
could you have been plonking?
could he have been plonking?
could we have been plonking?
could you have been plonking?
could they have been plonking?

Interro-negative form

Simple form

could I not plonk?
could you not plonk?
could he not plonk?
could we not plonk?
could you not plonk?
could they not plonk?

V-ing form

could I not be plonking?
could you not be plonking?
could he not be plonking?
could we not be plonking?
could you not be plonking?
could they not be plonking?

Perfect

could I not have plonked?
could you not have plonked?
could he not have plonked?
could we not have plonked?
could you not have plonked?
could they not have plonked?

V-ing perfect

could I not have been plonking?
could you not have been plonking?
could he not have been plonking?
could we not have been plonking?
could you not have been plonking?
could they not have been plonking?

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