English verb conjugation COULD HARPOON

Regular verb: harpoon - harpooned - harpooned

Affirmation

Simple form

I could harpoon
you could harpoon
he could harpoon
we could harpoon
you could harpoon
they could harpoon

V-ing form

I could be harpooning
you could be harpooning
he could be harpooning
we could be harpooning
you could be harpooning
they could be harpooning

Perfect

I could have harpooned
you could have harpooned
he could have harpooned
we could have harpooned
you could have harpooned
they could have harpooned

V-ing perfect

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

Negation

Simple form

I could not harpoon
you could not harpoon
he could not harpoon
we could not harpoon
you could not harpoon
they could not harpoon

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I harpoon?
could you harpoon?
could he harpoon?
could we harpoon?
could you harpoon?
could they harpoon?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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