如果她说人很累，那么英文可以说为 "She said that people are very tired."

这句话的来源是她本人说出的，是一句陈述句。其中，"She said" 是一个过去式的谓语动词，表示她说了什么。"that" 是一个连词，引导后面的宾语从句，在这里表示她所说的内容。"people" 是名词，表示人类。"are" 是动词，表示人类是很累的。"very tired" 是形容词和形容词短语，表示人类的疲惫程度。

下面是一些英文例句，并附上中文翻译：

She said that she was very tired. (她说她很累。)
He said that he was exhausted. (他说他很累。)
They said that they had been working all day. (他们说他们整天都在工作。)
She said that she needed a break. (她说她需要休息。)
He said that he was feepng burnt out. (他说他感觉筋疲力尽。)