I
would have counterclaimed
you
would have counterclaimed
he / she / it
would have counterclaimed
we
would have counterclaimed
you
would have counterclaimed
they
would have counterclaimed
I
would have been counterclaiming
you
would have been counterclaiming
he / she / it
would have been counterclaiming
we
would have been counterclaiming
you
would have been counterclaiming
they
would have been counterclaiming