Abstract: English writing can effectively promote the development of learners basic knowledge, skills and comprehensive application ability of language; improve their critical thinking, innovation, crosscultural communication and such literacy; and as thus is a key point as well as a difficult aspect in college English teaching and learning. The empirical study of writings and corrections at www.pigai.org were combined. The corpus tool WordSmith Tools 6.0 statistical retrieval is adopted. BNC, COCA and other online corpus resources were consulted. The significance of corpora for English writing, correcting and teaching were analyzed. The effective methods and pathways for English writing, correcting and teaching based on the corpus big data were explored.

Key words: English writing, corpus, frequency, content

摘要： 英语写作能有效推动学习者语言基础知识、技能和综合应用能力的发展，培养其思辨、创新、跨文化交际等素养，是大学英语教学的重难点。本文结合句酷批改网写作、批改实例，采用语料库工具WordSmith Tools 6.0统计检索，并参照BNC、COCA等在线语料资源，分析语料库应用于英语写作、批改和教学的意义，提高基于语料库大数据英语写作、批改、教学的效果、效率和效益。

关键词: 英语写作, 语料库, 频率, 主题内容