一、研究意义英国语言学家Wilkins曾说过:“没有语法,人们不能表达很多东西,而没有词汇,人们则无法表达任何东西。”由此可见,词汇极其重要。在英文单词的教学中,教师以建构主义思想为指导,对英文单词进行系统的构成方式讲解,帮助学生构建属于自己对英文单词的认知体系和学习方法,从而更有效地进行学习,这具有较深的研究意义。从理论角度来看,根据皮亚杰的发现,“学习者是在与周围环境相互作用的过程中,逐步建构起关于外部世界的 First, the research significance Wilkins once said: ”Without grammar, people can not express a lot of things, without words, people can not say anything.“ Thus, the vocabulary is extremely important. In the teaching of English words, under the guidance of constructivism, teachers systematically compose English words to help students construct their own cognition system and learning method of English words so as to learn more effectively. Deeper research significance. From a theoretical point of view, according to Piaget’s finding, ”learners gradually construct their own external world in the process of interacting with their surroundings