Because I want to know the Japanese grammatical senses of the first and second grade students in Oshima College, I researched their awareness of parts of speech, number of words, grammatical senses, and explanations of conjugation. Then I concluded that they can not understand senses of adverbs and prenominal adjectives, the difference between auxiliary verbs and particles
grammatical awareness
parts of speech
number of words
grammatical senses
explanations of conjugation
Japanese grammar as a national language