The Present Perfect In Non-Native Englishes —— A Corpus-Based Study of Variation

----- 非本土英语中的现在完成时—一部以资料为基础的研究变异问题的研究报告

ISBN: 9783110255010 出版年：2011 页码：354 Davydova, Julia De Gruyter Mouton

This is an innovative study of variation of the English present perfect that offers analyses of interestingly diverse data sets of non-native English and addresses some of the hotly debated issues in variationist sociolinguistics, second language acquisition and research on linguistic complexity.