对话教学是小学英语课堂中一种常见的教学形式。对话教学以学生为本,注重激发和培养学生英语学习的兴趣,着力于提高学生的语言运用能力。对话的拓展训练是对话教学的重要环节,它既能反映出学生对对话知识的运用水平,同时也能提高学生的思维能力和语用能力。那么,如何有效的设计拓展环节呢?笔者认为在 Dialogue teaching is a common form of English teaching in primary schools. Dialogue teaching is student-centered, focusing on stimulating and cultivating students ’interest in English learning and focusing on improving students’ ability of language use. Expansion of dialogue training is an important part of dialogue teaching, which not only reflects the level of students ’use of dialogue knowledge, but also can improve students’ thinking ability and pragmatic competence. So, how to effectively design the expansion link? I think in