he was reported to have covered 30 miles on foot that day.为什么用hav_英语解答

he was reported to have covered 30 miles on foot that day.为什么用have done?
既然是报道之前就走完了那为什么不用过去完成时呢？

人气：196 ℃　时间：2020-03-27 02:58:05

解答

因为在report之前,他走了30 miles,这里有个时间的先后顺序.在报道之前,他就已经做了某件事,所以用了完成时.译：据报道,那天他步行走了30公里.也可以改成下面的,或许会更好理解.It was reported that he had covered ...