Conjugaison du verbe anglais COULD ENLIGHTEN

I could enlighten
you could enlighten
he could enlighten
we could enlighten
you could enlighten
they could enlighten

I could be enlightening
you could be enlightening
he could be enlightening
we could be enlightening
you could be enlightening
they could be enlightening

I could have enlightened
you could have enlightened
he could have enlightened
we could have enlightened
you could have enlightened
they could have enlightened

I could have been enlightening
you could have been enlightening
he could have been enlightening
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you could have been enlightening
they could have been enlightening

I could not enlighten
you could not enlighten
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we could not enlighten
you could not enlighten
they could not enlighten

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

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

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

could I enlighten?
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could I have enlightened?
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could they have enlightened?

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could I not enlighten?
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could you not be enlightening?
could they not be enlightening?

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could you not have enlightened?
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could you not have enlightened?
could they not have enlightened?

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could you not have been enlightening?
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could they not have been enlightening?