Conjugaison du verbe anglais COULD INTRODUCE

I could introduce
you could introduce
she could introduce
we could introduce
you could introduce
they could introduce

I could be introducing
you could be introducing
she could be introducing
we could be introducing
you could be introducing
they could be introducing

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you could have introduced
she could have introduced
we could have introduced
you could have introduced
they could have introduced

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you could have been introducing
she could have been introducing
we could have been introducing
you could have been introducing
they could have been introducing

I could not introduce
you could not introduce
she could not introduce
we could not introduce
you could not introduce
they could not introduce

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

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

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

could I introduce?
could you introduce?
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could I not introduce?
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could she not be introducing?
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could they not be introducing?

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could you not have introduced?
could she not have introduced?
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could you not have introduced?
could they not have introduced?

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could you not have been introducing?
could she not have been introducing?
could we not have been introducing?
could you not have been introducing?
could they not have been introducing?