I
would have recontaminated
you
would have recontaminated
he / she / it
would have recontaminated
we
would have recontaminated
you
would have recontaminated
they
would have recontaminated
I
would have been recontaminating
you
would have been recontaminating
he / she / it
would have been recontaminating
we
would have been recontaminating
you
would have been recontaminating
they
would have been recontaminating