英语写作一直是中学生英语学习过程中的一个薄弱环节。由于受到母语的影响,中学生在英语写作的过程中总是会不自觉地趋向于依赖母语思维,而不能完全地通过英语来构思。心理语言学和构式语法理论都认为,词块的使用在二语的产出过程中起着重要作用。它具有较为固定的语法结构限制、稳定的搭配意义和特定的语用环境,融合了语法、语义和语境的优势。它是语言的半成品,在 English writing has always been a weak link in English learning among middle school students. Due to the influence of their mother tongue, middle school students tend to unconsciously tend to rely on their native language thinking in the process of English writing, and can not completely conceive in English. Both psycholinguistics and constructive grammar theory hold that the use of block plays an important role in the production of L2. It has a relatively fixed grammatical structure restrictions, a stable mix of meaning and a specific pragmatic environment, combines the advantages of grammar, semantics and context. It is a semi-finished language, at