Instruction in L2 Acquisition(英语论文).doc

Instruction in L2 Acquisition 摘要：在外语教学中，教师的指导是必要的，它可以提高外语学习的精确度，加快外语学习的过程并且防止中介语的僵化。 关键词：指导；外语学习；精确度；发展；中介语 Abstract: This paper discusses the necessity of instruction in L2 acquisition, which leads, to accuracy,helps learners pass through stages of development and destabilize interlanguage grammars that have fossilized. Key Words: Instructioh; L2acquisition; Accuracy; Development; Interlanguage This is a time of the World Wide Web and the global village. Communication between people is far beyond theirlocal speech communities, learning a second language (often referred to as an L2) is not just a pastime, but a necessity. The systematic study of how people acquire an I_,2 has become a focus. As a teacher of English in college, by saying L2 I refer to English. Acquisition means whether the learner manifests patterns of language use that are more or less the same as native speakers of the target language.(Rod Ellis, 1997:11 ) Traditionally language pedagogy has emphasized form-focused instruction. The Grammar Translation Method and the Audiolingual Method attempt to teach students grammar. Communicative approach, however, claims learners do not need to be taught grammar before they can communicate but will acquire it naturally as part of the process of learning to communicate. There is no place at all for the direct teaching of grammar. Does form-focused instruction work? In my experience of teaching English to college students I found the necessity to teach English and form-focused instruction can lead toenhanced accuracy, help learners pass through stages of development rapidly and destabilize interlanguage grammars that have fossilized. According to R.Eltis Hypothesis, L2 acquisition involves different kinds of learning, item learning and system learning. In other words, on the one hand, learners internalize chunks of language structure (ie. Formulas), on the other hand, they acquire rules. In learning of English there are many items: structures, expressions and