Research and Construction of Spoken English Graded Corpus for College English Majors

This paper briefly introduces the construction of a spoken English corpus including English interactive classification, the specific process of topic selection, data description, data processing and integration. To some extent, this study makes up for the lack of domestic similar research, but also provides a reference for the construction of similar corpus. At the same time, it is necessary to make clear that the classification of oral interaction is only a preliminary attempt. Limited by the sampling area, the sample will have a certain degree of convergence in the performance. The area for the investigation, its performance may be different. Therefore, it is necessary to expand the scope of the investigation in order to develop a conventional standard of oral English interaction in the future.