I
would have decontaminated
you
would have decontaminated
he / she / it
would have decontaminated
we
would have decontaminated
you
would have decontaminated
they
would have decontaminated
I
would have been decontaminating
you
would have been decontaminating
he / she / it
would have been decontaminating
we
would have been decontaminating
you
would have been decontaminating
they
would have been decontaminating