上二段活用

Definitions

• (Classical Japanese) a verbal conjugation class which has the following inflections: -i/-i/-u/-uru/-ure/-i[yo] {| class="wikitable" |- ! ! 未然形 (未然形)Irrealis ! 連用形 (連用形)Adverbial ! 終止形 (終止形)Conclusive ! 連体形 (連体形)Attributive ! 已然形 (已然形)Realis ! 命令形 (命令形)Imperative |- ! 起く (to rise) | 起き (2 → oki) | (2 → oki) | (tr=oku) | (tr=okuru) | (tr=okure) | (2 → okiyo) |- ! 落つ (fall) | 落ち (tr=oti → ochi) | (tr=oti → ochi) | (tr=otu → otsu) | (tr=oturu → otsuru) | (tr=oture → otsure) | (tr=oti → ochi) → ochiyo) |- ! 老ゆ (age) | 老い (tr=oi) | (tr=oi) | (tr=oyu) | (tr=oyuru) | (tr=oyure) | (tr=oi) → oiyo) |} The subscripts in the table above indicate differences in vowel class that were already being lost in . It remains unclear what those different vowel classes may have meant. See for more details.