This paper investigated learners' perceptions of “To” and “Tara”, which are frequently used by Korean learners, among condition expressions, based on quantitative and qualitative research targeting Korean Japanese learners.
As a result, in the use of “To” by Korean Japanese learners, there were cases where “To” was used in the basic form of the verb due to the difficulty in using the verb. Also, “Tara” was recognized as a past tense, and the tendency to use “Tara” in conditional sentences ending with the past tense was noticeable.
However, in the case of using conditional expressions based on this recognition, “To” can be used because of the difficulty of using verbs in conditional sentences where “To” cannot be used or rules that are restricted at the end of sentences. In addition, in a conditional sentence that ends with a past tense in which “Tara” cannot be used, there may be a problem of recognizing “Tara” as a past tense and using it.
Therefore, when teaching the above conditional sentences, the first thing to do is practice using conditional expressions other than “To”. In addition, it is important to emphasize and guide the meaning of conditional sentence usage once again so as not to reminiscent of the past tense and “Tara” in a conditional sentence in which the sentence in which “Tara” cannot be used is the past tense. This paper believes that the problems of learners will be greatly reduced by the implementation of this teaching method.