12岁左右儿童在学习第二语言──英语之前已经掌握了母语，在其学英语过程中因受母语影响而产生的干扰被称为”母语干扰”，诸如语音干扰、文化背景知识干扰、母语语境干扰等。深入研究母语对12岁左右儿童学英语形成的干扰，采取英汉对照、句型操练等措施，对其成功地习得英语具有十分重要的意义。 Children aged 12 and older who have mastered their mother tongue prior to learning a second language - English and who are affected by their mother tongue in their English learning are referred to as “mother tongue disturbances” such as voice interference, cultural background knowledge, mother tongue Contextual interference and so on. In-depth study of mother tongue on the 12-year-old children learn English formation of interference, to take English-Chinese comparison, sentence drills and other measures, for its successful acquisition of English is of great significance.