在分析新兴被字组合四种语法变异的基础上,分别探讨了每种语法变异对留学生被字句习得的影响。通过相关研究中留学生在被字句输出中的偏误概况显示了传统被字句的语法习得难度及新兴被字组合语法变异将增加的习得难度,指出新兴被字组合所应处的教学阶段和对外汉语教学中给予社会语言学背景讲解的必要性。 Based on the analysis of the four syntactic variations of the newly created word combinations, this paper respectively explores the impact of each grammar variation on the acquisition of words by the foreign students. Through the survey of students’ errors in the sentence output by related research, it shows the difficulty of grammatical acquisition and the acquisition of grammatical variations of newly-formed grammatical syntactic. It points out the teaching stages and The Necessity of Explaining the Background of Sociolinguistics in Teaching Chinese as a Second Language.