I
would have counterchanged
you
would have counterchanged
he / she / it
would have counterchanged
we
would have counterchanged
you
would have counterchanged
they
would have counterchanged
I
would have been counterchanging
you
would have been counterchanging
he / she / it
would have been counterchanging
we
would have been counterchanging
you
would have been counterchanging
they
would have been counterchanging