she said,"we'll work hard to find the murderer"改为间接引语

问题描述:

she said,"we'll work hard to find the murderer"改为间接引语
标注答案是:she said that they will work hard to find the murderer.请问此处的时态为何不要变成过去将来时,为啥仍然保留一般将来时?

你并没有提供前后文,所以我估计,文章中所发生的事情,也就是,找凶手这个事情还么有发生啊.
还没有发生就是一般将来时了.就是这样.
正解.