I
would have double-crossed
you
would have double-crossed
he / she / it
would have double-crossed
we
would have double-crossed
you
would have double-crossed
they
would have double-crossed
I
would have been double-crossing
you
would have been double-crossing
he / she / it
would have been double-crossing
we
would have been double-crossing
you
would have been double-crossing
they
would have been double-crossing