should have done 和should be doing 有区别吗

should have done 和should be doing 有区别吗 should have done 与would have done有区别吗?有would/should had done should have done 和should not have done的区别 be supposed to 和should have done can't be done.should be done.should have done should not have done 和 should not的区别 should have done和could have done的区别? should have done与should have been done的区别? should have done这个句型有吗 should have done 和should都可以表示竟然吗 could have done和should have done be supposed to do sth与should have done sth 有什么区别?