本稿是透過電話中的對話來研究語氣詞用法「kedo」的語意。首先、從語料庫的資料可以發現、關係親密者更常使用「kedo」。再者、隨著調查語氣詞用法「kedo」和哪些述語接續的結果、確認了「kedo」和思考相關的句子關聯很強。從觀察語料庫的資料中、得結論語氣詞用法「kedo」有「說明個人的想法」的効能。「kedo」可以用來表達「以我的感覺」、「以我的想法」、「就個人而言」。「kedo」有作為說話者領域的功能性。

In this paper the meaning of modality expression kedo was studied through the analysis of a Japanese corpus. It is observed that kedo is often used among private conversations between friends or family members. The data show that modality expression kedo can be often added to the predicates which express speaker's thoughts. After the examination of kedo, it is concluded that modality expression kedo has a function of individualizing utterances. The meaning of modality expression kedo is defined as explaining that this is a speaker's personal opinion, feeling, or experience and that this information belongs to a speaker.