请问这个句子对吗？Future historians not have to rely oonly on written words

你好！
我认为不对，理由是缺少助动词，应该是Future historians do not have to rely oonly on written words。
因为have是实意动词，所以变否定句，疑问句时，需要借助于助动词。
希望我的回答能让你满意，谢谢！