It was strange that she should have gone away without saying good-bye.求解释为什么要用should have gone?
问题描述：
It was strange that she should have gone away without saying good-bye.
求解释为什么要用should have gone?
答
should have 本应该.
我的理解是：
她本应该不辞而别,但是很奇怪她没有这么做.