To improve the efficiency of language learning,the author probes into the impact of the positive and negative transfer of native language on English phonemes,vocabulary,syntax and grammar by analyzing the differences of the four.

The paper discusses the negative transfer of the native language in English learning and its countermeasures.

At present,most foreign language learners have had a good command of their native language when they begin to learn a foreign language.

It is feasible and necessary to comprehend the real meaning of "thinking in a foreign language" and think directly in foreign language without relying too much on one s mother tongue

This paper makes a detailed analysis of the discrepancy in the voice use of the verb concern between native speaker and Chinese learner by a corpus-based approach, in an attempt to show the misuse, overuse or under-use of Chinese learners and to discuss the reasons.

It has been recognized as one of the ways that differentiate native speakers from foreign / second language learners.

It not only points out the indeterminacy of the different definitions of "mother tongue" and "native speaker" on which the traditional axioms are based on,combs various kinds of viewpoints on inverse translation,but also undermines the traditional assumptions about translation and thus justify inverse translation through an analysis of corpora and a questionnaire.

The author selects two groups of dissertation abstracts from the native speakers(NSs) and the non-native speakers(NNSs)—15 piec-es for each group,and studies the frequency of vocabulary repetitions,based on the theory of lexis patterns by Hoey(1991).