Conjugaison du verbe anglais COULD ILLUSTRATE

I could illustrate
you could illustrate
he could illustrate
we could illustrate
you could illustrate
they could illustrate

I could be illustrating
you could be illustrating
he could be illustrating
we could be illustrating
you could be illustrating
they could be illustrating

I could have illustrated
you could have illustrated
he could have illustrated
we could have illustrated
you could have illustrated
they could have illustrated

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

I could not illustrate
you could not illustrate
he could not illustrate
we could not illustrate
you could not illustrate
they could not illustrate

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

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

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

could I illustrate?
could you illustrate?
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could they illustrate?

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could you be illustrating?
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could I have illustrated?
could you have illustrated?
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could I have been illustrating?
could you have been illustrating?
could he have been illustrating?
could we have been illustrating?
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could they have been illustrating?

could I not illustrate?
could you not illustrate?
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could you not be illustrating?
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could they not be illustrating?

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could you not have illustrated?
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could you not have been illustrating?
could he not have been illustrating?
could we not have been illustrating?
could you not have been illustrating?
could they not have been illustrating?