we went to Italy for a holiday last year. That must have bee

学习时间:2026-10-10 00:16:26 阅读：380

we went to Italy for a holiday last year. That must have been nice. 问题：为什么用must have been为什么不用must be?

感性的过客

2026-10-10 00:16:26



must have + 过去分词是对过去事情的推测,因为去意大利渡假是发生在去年的事情,所以是对过去的推测,那一定很好。希望能帮到你,祝更上一层楼O(∩_∩)O有不会的欢迎再继续问我(*^__^*)