Conjugaison du verbe anglais COULD ESTABLISH

I could establish
you could establish
she could establish
we could establish
you could establish
they could establish

I could be establishing
you could be establishing
she could be establishing
we could be establishing
you could be establishing
they could be establishing

I could have established
you could have established
she could have established
we could have established
you could have established
they could have established

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you could have been establishing
she could have been establishing
we could have been establishing
you could have been establishing
they could have been establishing

I could not establish
you could not establish
she could not establish
we could not establish
you could not establish
they could not establish

I could not be establishing
you could not be establishing
she could not be establishing
we could not be establishing
you could not be establishing
they could not be establishing

I could not have established
you could not have established
she could not have established
we could not have established
you could not have established
they could not have established

I could not have been establishing
you could not have been establishing
she could not have been establishing
we could not have been establishing
you could not have been establishing
they could not have been establishing

could I establish?
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could I not establish?
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could you not have been establishing?
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