改错Mary asked me tat if I would go to the concert with her that evening.并且说明原因
问题描述：
改错Mary asked me tat if I would go to the concert with her that evening.并且说明原因
答
把that if改成if。
为什么要有that呢？if本身就可以引导这个表示疑问的从句
答
Mary asked me 【去掉that】 if I would go to the concert with her that evening.
if 可以直接引导宾语从句,that是多余的