Conjugaison du verbe anglais COULD CUMULATE

I could cumulate
you could cumulate
she could cumulate
we could cumulate
you could cumulate
they could cumulate

I could be cumulating
you could be cumulating
she could be cumulating
we could be cumulating
you could be cumulating
they could be cumulating

I could have cumulated
you could have cumulated
she could have cumulated
we could have cumulated
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they could have cumulated

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you could have been cumulating
she could have been cumulating
we could have been cumulating
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they could have been cumulating

I could not cumulate
you could not cumulate
she 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
she 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
she 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
she 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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could they not be cumulating?

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