Conjugaison du verbe anglais COULD CUMULATE

I could cumulate
you could cumulate
he could cumulate
we could cumulate
you could cumulate
they could cumulate

I could be cumulating
you could be cumulating
he could be cumulating
we could be cumulating
you could be cumulating
they could be cumulating

I could have cumulated
you could have cumulated
he could have cumulated
we could have cumulated
you could have cumulated
they could have cumulated

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you could have been cumulating
he could have been cumulating
we could have been cumulating
you could have been cumulating
they could have been cumulating

I could not cumulate
you could not cumulate
he could not cumulate
we could not cumulate
you could not cumulate
they could not cumulate

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

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

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

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could they have been cumulating?

could I not cumulate?
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could they not cumulate?

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could you not be cumulating?
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