Conjugaison du verbe anglais COULD RECTIFY

I could rectify
you could rectify
he could rectify
we could rectify
you could rectify
they could rectify

I could be rectifying
you could be rectifying
he could be rectifying
we could be rectifying
you could be rectifying
they could be rectifying

I could have rectified
you could have rectified
he could have rectified
we could have rectified
you could have rectified
they could have rectified

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

I could not rectify
you could not rectify
he could not rectify
we could not rectify
you could not rectify
they could not rectify

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

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

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

could I rectify?
could you rectify?
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could I be rectifying?
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could I have rectified?
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could I not rectify?
could you not rectify?
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could I not be rectifying?
could you not be rectifying?
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could they not have been rectifying?