Ingrammar, acorrelative is a word that is paired with another word with which it functions to perform a single function but from which it is separated in the sentence.
In English, examples of correlative pairs areboth–and, either–or, neither–nor, the–the ("the morethe better"),so–that ("it ateso much foodthat it burst"), andif–then.
In theRomance languages, thedemonstrativepro-forms function as correlatives with therelative pro-forms, asautant–que inFrench; in English, demonstratives are not used in such constructions, which depend on the relative only: "I sawwhat you did", rather than *"I sawthat,what you did".
