I
would have window-shopped
you
would have window-shopped
he / she / it
would have window-shopped
we
would have window-shopped
you
would have window-shopped
they
would have window-shopped
I
would have been window-shopping
you
would have been window-shopping
he / she / it
would have been window-shopping
we
would have been window-shopping
you
would have been window-shopping
they
would have been window-shopping