Guided by the theory of "Error Analysis",this paper takes a high school s grade 3 students as research subjects,and tries to examine the effects of intralingual factors and personal factors on L2 learners simple past tense errors.

Analysis is made on the obstacles in preventing students to have better achievements in listening comprehension test, the linguistic factors and non-linguistic factors such as the vocabulary, phonetic, speed, psychological state and the like are especially pointed out.

It is a fact that many college non-English major students suffer from many reading barriers——linguistic and non-linguistic factors that affect their reading ability.

An examinee spot performance in the interpretation test is determined by both linguistic and extra-linguistic factors.

Based on the differences between Chinese and English and the features of English,this paper analyzed the language and non-language factors of cohesive errors in English discourses committed by Chinese students.

The aim of this research is to explore the language factors that affect students’Problem Solving.

This paper discusses these factors in three categories from the translator\'s point of view to ensure the quality of the translation and improve the quality and level translator:language factors,non-language factors,and cultural factors.

Modal adverbs are special grammatical constituents,and are always associated with pragmatic factors.

It studies how the pragmatic factors, such as communicative intention, context, pragmatic presupposition, influence and constrain the choice and use of syntactic structures, and how they cause the unmarked clauses to change into marked ones.

First, we make deep research on the speech act of gratitude in modern Chinese, include its definition, structure patters, strategies types and the effect of pragmatic factors.