In Old English the word order is different from that of Modern E

In Old English the word order is different from that of Modern English, and there are two negatives, “ne” (not) and “næfre” (“not” + “ever” =“never” ).So d______ rule is one of the grammatical rules in Old English.
【正确答案】：double-negation-(137)解析古英语的向法里包括一条双重否定的规则,它要求对一个句子否定时必须两个否定词ne(not)和næfre( never)同时使用。除了一些非标准的英语变体,如黑人英语外,这种双重否定结构已经不被大多数受过教育的英语使用者们所接受了。