過去分詞短語也可作狀語表示原因, 相當于一個表示原因的狀語從句.　　Influenced by his example, they performed countless good deeds.　　有時也可說明動作發生的時間, 相當于一個表示時間的狀語從句.　　This method, tried in areas near Shanghai, resulted in a marked rise in total production.　　間或也可表示一個假設的情況, 相當于一個條件從句.　　Given closer analysis, we can see this is totally wrong.　　偶爾也可用來代替一個讓步狀語從句.　　Picked 20 years a year, it grows tired only after 40 or 50 years.　　獨立結構: 在用分詞短語作狀語時, 它邏輯上的主語一般必須與句子的主語一.致. 但有時它也可以有自己獨立的邏輯上的主語, 這種結構稱為獨立結構, 一般表示一種伴隨的動作或情況.　　He rushed into the room, his face covered with sweat.　　有時可以表示時間:　　Late that autumn, his work finished, he prepared to return to his institute.　　表示原因:　　Her eyes dimmed with tears, she did not see him enter.　　條件:　　All things considered, her paper is of greater value than yours.