Conjugaison du verbe anglais COULD INTEREST

I could interest
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they could interest

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we could be interesting
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I could not interest
you could not interest
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you could not be interesting
she could not be interesting
we could not be interesting
you could not be interesting
they could not be interesting

I could not have interested
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you could not have been interesting
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could I interest?
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could I not interest?
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