Abstract The author studies the use and tense function of "了" "着" "过" when they are put on attributive positions. The following points are made: 1. Compared with their predicate positions, the constituent functions of "了" "着" "过" have varied degree reduction. There is constituent difference among them. 2. When "V 了/着/过 的 N" appear in a sentence, "了" "着" "过" have relative tense functions. The time referential point is the occurrence time of an event which is indicated by the predicate verb or the time of speech. 3.In Type A, "V 的 N" without specific time marker has time ambiguity.When "了" "着" "过" are put in "V 的 N", they become a formal grammatical marker of relative tense of "V".
