Conjugaison du verbe anglais COULD ESTABLISH

I could establish
you could establish
he could establish
we could establish
you could establish
they could establish

I could be establishing
you could be establishing
he could be establishing
we could be establishing
you could be establishing
they could be establishing

I could have established
you could have established
he could have established
we could have established
you could have established
they could have established

I could have been establishing
you could have been establishing
he 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
he 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
he 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
he 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
he 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?
could you establish?
could he establish?
could we establish?
could you establish?
could they establish?

could I be establishing?
could you be establishing?
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could you be establishing?
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could I have established?
could you have established?
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could they have established?

could I have been establishing?
could you have been establishing?
could he have been establishing?
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could you have been establishing?
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could I not establish?
could you not establish?
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could you not be establishing?
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could you not be establishing?
could they not be establishing?

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could you not have established?
could he not have established?
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could you not have established?
could they not have established?

could I not have been establishing?
could you not have been establishing?
could he not have been establishing?
could we not have been establishing?
could you not have been establishing?
could they not have been establishing?