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--- References to 前 [before]
机の前に tsukue no mae ni in front of the desk 机 [desk]  Ref. 前 [before]
前に mae ni before   Ref. 前 [before]
二年 前に ninen mae ni two years ago   Ref. 前 [before]
前日 zenjitsu the day before   Ref. 前 [before]
この 前の 日曜日に kono mae no nichiyōbi ni last Sunday 。曜日 (counter)   Ref. 前 [before]
zen = "ex-" prefix   Ref. 前 [before]
前夫 zenbu ex-husband   Ref. 前 [before]