中文摘要：

交替构式是现代汉语中固定表达“交蔷”义的一类框架结构，属于超句法的语言单位。“交替”的构式义和超句法性使得这类结构的语篇特点比较突出，对其语篇特点的考察既有助于交替构式研究的深入，也有助于交替构式的对外汉语教学。考察得知，交替构式多用于叙事类语篇，多作背景信息，多用于“概括一具体”语篇模式，多与表示过去的组合性时段共现。

英文摘要：

Alternate construction refers to a series of frames expressing alternate, which belongs to super-syntax units. It is helpful for researching and teaching to study on the textual feature of alternate construction. Alternate construction is mainly used in narrative text and general-specific textual pattern, acts the textual role of background, and co-occurs only with the past combined period of time.