关于英语ought to have done 与should have done的区别 有need have done

ought to have done 指主观上本来应该做而未做should have done 指客观上本来应该做而未做needn,t have done 不需要做而做了shouldn't have done 不应该做而做了need have done 楼下已经帮你写了 看他的就可以了 比我的详细 不想抄袭他的