大学英语四级写作高分技巧：独立主格结构
有很多学生大学过了三年了，英语四级没过，为了帮助大家顺利通过四级考试，下面是由小编为你精心编辑的大学英语四级写作高分技巧：独立主格结构，欢迎阅读！
独立主格结构
独立主格结构指带主语的动词分词、介词、或副词词组。 何谓独立主格结构?
它是指与主语之间无任何语法关系的名词或代词加上一个分词的`结构。它不修饰单个的词，而修饰整个句子。独立主格结构可位于句子的任何部位。它构成一个单独实体，并具有如下两种功能：(1) 解释原因或情景 (2) 提供主句中重点部分的相关细节。
例 Freud distinguished three kinds of anxiety, each arising from a different source of perceived danger.
"each" 是独立主格结构，"arising from"是动词短语。注意这个独立主格结构是一个"干巴巴"的句子。通过改变动词形式，它的面貌可焕然一新：Each arises from a different source of perceived danger.
再看以下例句
Before: His nose was running and his hands were shaking. He left the theater like that.
Interesting: His nose running and his hands shaking, he left the theater.
Before: He is known for his bad temper, so I fear the encounter.
Interesting: I fear the encounter, his temper being what it is.
Plain: If the weather is favorable tomorrow, we will spend the entire day climbing Huang Shan.
Good: Weather permitting, we will spend the entire day tomorrow climbing Huang Shan.
Plain: Let’s pray that the Southeast Asian economy will soon return to normal.
Good: The Southeast Asian economy, God willing, will soon return to normal.
Plain: Early radio reports exaggerated the success of the raid on the Embassy. Some even indicated that the Vietcong had occupied several floors of the building.
Better: Early radio reports exaggerated the success of the raid on the Embassy, some even indicating that the Vietcong had occupied several floors of the building.
Plain: Even though the drug controversy was still festering around him, in the end, defending Australian Open champion Petr Korda walked away with a salute to a cheering crowd.
Better: In the end, defending Australian Open champion Petr Korda, the drug controversy around him still festering, walked away with a salute to a cheering crowd.
有些短语在语法上可与它所在句中的其它成分分离。这种结构不修饰句子的任何一个词，而修饰句子的整体意思。
分词连同它所修饰的名词或代词可构成独立主格结构。同位语和插入语有时也被认为是独立主格结构
有用句型
During the early years of the Cultural Revolution, dried mushrooms on dinner tables were an unheard-of luxury, and pork chops unthinkable.
We see Van Gogh in the role of prophet in "Self Portrait," his emaciated, luminous head with its burning eyes set off against a whirlpool of darkness.
Professor Wang’s handwriting was precise, fussy, spidery, his notepad pale mauve.
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