English verb conjugation COULD SIED

Regular verb: sied - sieded - sieded

Affirmation

Simple form

I could sied
you could sied
he could sied
we could sied
you could sied
they could sied

V-ing form

I could be sieding
you could be sieding
he could be sieding
we could be sieding
you could be sieding
they could be sieding

Perfect

I could have sieded
you could have sieded
he could have sieded
we could have sieded
you could have sieded
they could have sieded

V-ing perfect

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

Negation

Simple form

I could not sied
you could not sied
he could not sied
we could not sied
you could not sied
they could not sied

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sied?
could you sied?
could he sied?
could we sied?
could you sied?
could they sied?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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