Conjugaison du verbe anglais COULD FORECAST

I could forecast
you could forecast
he could forecast
we could forecast
you could forecast
they could forecast

I could be forecasting
you could be forecasting
he could be forecasting
we could be forecasting
you could be forecasting
they could be forecasting

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you could have forecast
he could have forecast
we could have forecast
you could have forecast
they could have forecast

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

I could not forecast
you could not forecast
he could not forecast
we could not forecast
you could not forecast
they could not forecast

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

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

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

could I forecast?
could you forecast?
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could you forecast?
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could you be forecasting?
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could you have forecast?
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could they have forecast?

could I have been forecasting?
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could I not forecast?
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could you not forecast?
could they not forecast?

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could you not be forecasting?
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could you not be forecasting?
could they not be forecasting?

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could you not have forecast?
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could they not have forecast?

could I not have been forecasting?
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could they not have been forecasting?