I
would have double-struck, double-striken
you
would have double-struck, double-striken
he / she / it
would have double-struck, double-striken
we
would have double-struck, double-striken
you
would have double-struck, double-striken
they
would have double-struck, double-striken
I
would have been double-striking
you
would have been double-striking
he / she / it
would have been double-striking
we
would have been double-striking
you
would have been double-striking
they
would have been double-striking