"Ri ben yu yan wen fa." . . "日本語言 文法" . "Ri yu." . . "日語" . "Yu fa." . . "語法" . . . . "Shi yong ri yu yu fa" . . . "Shi yong Ri yu yu fa" . "实用日语语法" . "實用日語語法" . . . "日语语法" . "Ri yu yu fa" . . "日語語法" . . . . . . . .