在新课程的教学理念下如何确保英语教学的有效性是当前基础阶段英语教学研究面临的重要问题之一。本文通过观摩课堂教学和分析教师教学中的问题,归纳了影响英语教学有效性的主要因素。研究表明,教师的课堂话语、对课堂生成的把握以及支架的搭建等多个因素均会影响教学的有效性。 How to ensure the effectiveness of English teaching under the teaching concept of the new curriculum is one of the most important issues in the current basic English teaching and research. By observing classroom teaching and analyzing the problems in teachers’ teaching, this article summarizes the main factors that affect the effectiveness of English teaching. The research shows that teachers’ classroom discourse, grasp of the classroom generation and the construction of scaffolds all affect the effectiveness of teaching.