In this study, it was tried to classify the types of 'Geot' phrases which is suitable for school grammar classes and to identify its characteristics based on the previous research achievements on 'Geot' which is a bound noun in modern Korean.
The bound noun 'Geot' acquired the first place in the frequency test on 1.5 million words by The National Institute of Korean Language. However, it has not been studied or dealt with enough in school grammar classes. Consequently, 'Geot' phrases were classified systematically for middle school and high school Korean grammar education and the appropriateness of the typology was verified with 681 sentences of explanatory and addressing sentences specified in Korean Language text book of 1st year middle school students. Based on the school grammar, the phrases were classified to 8 types according to their characteristics and independent semantic functions.
The first type is that are modified by unconjugation adjectives, and the second type is those are combined with a substantive (+'eui') which shows the ownership. The third type is those composing a noun clause. They play the role of subject, object, adverb or compliment. While the third type 'Geot's' do not have specific meaning, the fourth type of 'Geot's' which are modified by relational unconjugation adjective clause can be substituted for substantives that have clear meaning. The fifth type is '-eun/neun Geotida'. It can be simply analyzed as 'bound noun + be verb' as well as 'Geotida (geot plus be verb)' itself has the meaning of conclusion or emphasis as an independent object. The six type is '-eul geotida' which shows the mood or the tense of the previous event. It is frequently used to express guess' or 'estimation'. The seventh type is '-eul geot, phrase which has the meaning of order, which is used to express the prohibition. The eighth t! ype is '-eun/neun/eul geot gatda', which seems to be redundant with the 6th type in that they show" uncertain assumption. However, it is classified as a different type because it is an independent component in the sentence which has grammatical function.
Besides, there was difference in frequency of usage between explanatory sentences and addressing sentences which can be found in the textbook. In the addressing sentences which have the purpose to persuade the readers, all of the 8 types of 'geot, phrases can be found and the frequency of using 'geot' seems to be higher. However, in both type of sentences, the third type geot', so to speak the one composing a noun clause is most frequently used. It is because the bound noun 'geot' has many different kind of usages in the sentence as it seldom has restraints of previous or following element.
As reviewed so far, 'geot' phrases are diverse and important so that we can specify their usages and characteristics according to the type. It is a big mistake if we do not deal with it in school grammar considering its importance and diversity in usage. It is hoped that this research will awaken the necessity of the systematic education on 'geot' phrases.