@article{oai:kyoritsu.repo.nii.ac.jp:00002933,
 author = {佐藤, 雄一 and Sato, Yuichi},
 journal = {共立国際研究 : 共立女子大学国際学部紀要, The Kyoritsu journal of international studies},
 month = {Mar},
 note = {Noun predicate sentences with the structure "A wa B da" can be classified into different types according to the relationship in meaning between the subject noun and the predicate noun. 
The predicate noun generally indicates characteristics and properties of the subject noun. Sometimes it identifies the subject noun or describes the action of the subject noun. 
When the Japanese corpus (BCCWJ: The Balanced Corpus of Contemporary Written Japanese) was examined. the relative frequency of each type of noun predicate sentence became clear. 
Among the noun predicate sentences "A wa B da", 51% of predicate nouns indicate characteristics and properties of the subject noun. 26% of predicate nouns identify the subject noun, 15% of predicate nouns indicate the state of the subject noun. and 3% of predicate nouns describe the action of the subject noun. 
This shows that the noun predicate sentence "A wa B da" turns to have links to the adjective predicate sentence and the verb predicate sentence., 研究ノート, Research Note},
 pages = {161--177},
 title = {名詞述語文「AはBだ」の種類と使用比率},
 volume = {30},
 year = {2013},
 yomi = {サトウ, ユウイチ}
}