A construction very widely used in Old English and Old Germanic more broadly are correlatives introduced by an adverbial or conditional subclause, as in When you've done your homework, (then) you can come back (Old English: ‘…, then can you come back’). Correlatives originate from a paratactic clause structure, making use of resumptive adverbs such as then belonging to the Old Germanic series of demonstrative adverbs, whose syntactic niche was the clause-initial position, particularly in Verb Second main clauses. Paratactic structure in correlatives is diagnosed by the presence of a resumptive adverb. We show that the correlative use of resumptive adverbs is sensitive to both clause-internal and clause-external variables: mood, subclause-internal particles, negation, subject type, subclause weight, text type, translation. Correlatives decline from late Old English onward. Although it may seem tempting to attribute this to the loss of Verb Second in English, it resulted primarily from the loss of the original Germanic resumptive adverbs.

中文翻译：

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早期英语中的关联词：分句依存表达的变化和连续性

在古英语和古日耳曼语中广泛使用的结构是由状语或条件从句引入的关联词，如做完作业后，（然后) 你可以回来（古英语：'……，那你能回来吗'）。相关词起源于并列从句结构，利用恢复副词，例如然后属于古日耳曼语系列的指示副词，其句法定位是从句的初始位置，特别是在动词第二主要从句中。关联词中的并列结构是通过恢复副词的存在来诊断的。我们表明，恢复副词的相关使用对从句内部和从句外部变量都很敏感：语气、从句内部助词、否定、主语类型、从句权重、文本类型、翻译。相关词从古英语晚期开始下降。尽管将其归因于英语中动词第二的丢失似乎很诱人，但这主要是由于原始日耳曼语恢复副词的丢失造成的。