A Review of Studies on Grammatical Variation

Variation is an important issue of sociolinguistics.According to the variation view of sociolinguistics,grammatical items change under the influence of social factors.Compared with the research on phonetic variation,the research on grammatical variation is weaker.This article presents a review of the literature both at home and abroad on grammatical or syntactic variation.Some propositions for Chinese researchers on grammatical or syntactic variation are put forward at the end of the paper.