Mistake Discovery and Generation of Exercises Automaticity in Context

It is useful for learners to write in a foreign language and ask another person to correct it for them so they can know their mistakes. However, a problem for learners´ is how to reflect on the correction of their problems and then master the mistake. In this paper, by analyzing the entries of Lang-8, which is a SNS site for learning and practicing foreign languages, we found the correspondence between original entries and the corrections. Based on this finding, a system was developed which can generate fill-in-the-blanks quizzes according to different situations, in order to support learner´s reflection on correction and practicing so the mistake is no longer a problem.