should/ought to/might/ mustn't/cant't/need't/don't/could/ have done是哪类虚拟语气,

分类: 作业答案 • 2021-12-20 10:21:37

问题描述：

should/ought to/might/ mustn't/cant't/need't/don't/could/ have done是哪类虚拟语气,
非真实，情态动词，意愿成分，个别特殊，哪类虚拟语气

答

should have done表示主句对过去的虚拟
非真实与现实相反