獨(dú)立結(jié)構(gòu): 在用分詞短語(yǔ)作狀語(yǔ)時(shí), 它邏輯上的主語(yǔ)一般必須與句子的主語(yǔ)一.致. 但有時(shí)它也可以有自己獨(dú)立的邏輯上的主語(yǔ), 這種結(jié)構(gòu)稱為獨(dú)立結(jié)構(gòu), 一般表示一種伴隨的動(dòng)作或情況. 　　He rushed into the room, his face covered with sweat. 　　有時(shí)可以表示時(shí)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.