【正文】
s (chosen from the corpus data) presented by three excellent English teachers from senior high schools with focus on the use of their verbal feedback. The findings of the research are presented as follows:1. The verbal feedback of excellent English teachers serves scaffolding function in developing students’language ability. The highquality verbal feedback provides prehensible language input, and meanwhile elicits more and better language output from the learners, whose interlanguage can thus be improved in the course of errorcorrecting through teacher’s . The verbal feedback of excellent English teachers serves scaffolding function in the development of students’cognitive petence. The highquality verbal feedback guides students to learn to think, to find problems, to make analysis and seek solutions to the problems, all of which contribute to the development of their cognitive . The verbal feedba