The study focuses on analyzing the situation how 1) to precede a sentence, 2) to structure the dialogue, and 3) to acquire conversation frame by the learners. Furthermore, the purpose of this study is to examine whether common discourse errors exist on the way of structuring the dialogue and if they exist, the tendency of errors comes from universality and individuality. The result of this study is to show the tendency of errors in order; connection investigations, surplus, style, tense, the point of view, defect, conjunction, direction, and sequence. Through this study, it is proved that essential language factors mentioned in the discourse structure are required on developing writing skills. Particularly, More than half of learners shows the common errors in the connection investigations, ellipsis, tense, style, conjunction, the point of view, addition. As a result, those language factors should be set up as essential language factors to be trained.