词块的基本分类有聚合、限定、惯用和句式等,对第二语言习得和输出交际有着重大的影响。我们对学习者在英语书面表达中的词块进行了实验。结果发现聚合词块、句式结构和限定词块对高中英语书面表达具有一定的影响,而习惯用语则相对使用较少,但对学生的英语书面表达有一定的帮助。 The basic classification of lexical chunks includes aggregation, definition, idioms and sentence patterns, which have a significant impact on L2 acquisition and output communication. We experimented with the vocabulary of learners in written English. The results show that the aggregated lexical chunks, sentence structures and qualifying blocks have a certain impact on high school English written expression, while the idioms are relatively less used, but they are helpful to students’ written English expression.