一、引言影响二语学习者加工英语句子效果的因素诸多。在复杂二语句子加工过程中,学习者所受的正式教育不同以及工作记忆的大小等都可能导致中国学习者对英语复杂句子的理解产生差异。但是,关于母语水平高低在二语句法加工的作用,研究者们存在分歧。一些研究表明,二语句式加工受母语的影响。也有研究表明,不同类型语言背景的学习者在二语句式加工中不存在母语迁移,学习者在加工二语句子时会受到母语句法结构的 I. INTRODUCTION There are many factors that affect the effectiveness of second language learners in processing English sentences. In the process of complex second sentence processing, the different formal education of learners and the size of working memory may lead Chinese learners to make a difference in comprehension of complex sentences in English. However, researchers have different opinions about the role of native speakers in second-language syntactic processing. Some studies show that the second sentence processing is influenced by the mother tongue. Studies have also shown that learners of different types of language backgrounds do not have mother tongue migration in the second sentence processing and learners may suffer from the syntactic structure of the mother tongue when processing second sentences