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 couldn't sied
you couldn't sied
he couldn't sied
we couldn't sied
you couldn't sied
they couldn't sied

V-ing form

I couldn't be sieding
you couldn't be sieding
he couldn't be sieding
we couldn't be sieding
you couldn't be sieding
they couldn't be sieding

Perfect

I couldn't have sieded
you couldn't have sieded
he couldn't have sieded
we couldn't have sieded
you couldn't have sieded
they couldn't have sieded

V-ing perfect

I couldn't have been sieding
you couldn't have been sieding
he couldn't have been sieding
we couldn't have been sieding
you couldn't have been sieding
they couldn't 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

couldn't I sied?
couldn't you sied?
couldn't he sied?
couldn't we sied?
couldn't you sied?
couldn't they sied?

V-ing form

couldn't I be sieding?
couldn't you be sieding?
couldn't he be sieding?
couldn't we be sieding?
couldn't you be sieding?
couldn't they be sieding?

Perfect

couldn't I have sieded?
couldn't you have sieded?
couldn't he have sieded?
couldn't we have sieded?
couldn't you have sieded?
couldn't they have sieded?

V-ing perfect

couldn't I have been sieding?
couldn't you have been sieding?
couldn't he have been sieding?
couldn't we have been sieding?
couldn't you have been sieding?
couldn't they have been sieding?

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