Conjugaison du verbe anglais COULD PROGRESS

I could progress
you could progress
he could progress
we could progress
you could progress
they could progress

I could be progressing
you could be progressing
he could be progressing
we could be progressing
you could be progressing
they could be progressing

I could have progressed
you could have progressed
he could have progressed
we could have progressed
you could have progressed
they could have progressed

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

I could not progress
you could not progress
he could not progress
we could not progress
you could not progress
they could not progress

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

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

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

could I progress?
could you progress?
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could I have progressed?
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could I not progress?
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could they not be progressing?

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could you not have been progressing?
could he not have been progressing?
could we not have been progressing?
could you not have been progressing?
could they not have been progressing?