Although there are many similarities between Korean and Japanese, they are apparently different in passive expression.
In This article Textbooks of domestic Korean language education institutions treat passive expression in the viewpoint of grammar. However, this research derives learner's error data for analysis, not from learner's speaking but from writing.
Analysis from Japanese intermediate and graduate students shows that error in passive expression is caused not by the effects of native language but by the internal error and complicacy of learning language, transition between different languages and insufficient instruction in education process.
Lastly, this research presents practical instruction method in actual class in five stages.
This article is focused on showing the efficient instruction method to teach Japanese learners to understand Korean passive expression. (Inha University)