下面为大家总结了SAT语法改进句子题的常见考点，共6个。SAT语法改进句子题是对大家的英语基础和解题技巧要求都比较高，大家如果能够掌握这些常见的考点，也会对备考有非常大的帮助的。

　　SAT语法改进句子(Improving Sentences)题常见考察点：

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　　1。支离破碎的句子。 例如： Although he studies hard.

　　2。没有用标点符号来分割句子。例如：In the past I worked at a language school in New Zealand now I am back in China.

　　3. 使用不正确的逗号切割句子。例如： Alex finished her homework early, after that she drove to Maria’s house.

　　4. 逻辑错误，如该使用but连接却使用了and。逻辑指代错误等。

　　5. 修饰词位置不当

　　6. 结构不对称等。

　　有些连接词后要对称，如： neither…nor…, either… or…, both… and…, the more… the more…, not only… but also… 特别是but also 部分经常容易有错误。还有使用and 连接两个没有直接关系的两个句子。

　　请看如下几个例子：

　　1. Nineteenth-century nihilists were concerned with neither the origins of philosophical thought nor how societal laws developed. (x) (结构不对称)

　　Nineteenth-century nihilists were concerned with neither the origins of philosophical thought nor the development of societal laws. (√)

　　2. The junior class built a homecoming float, and it had lights and a sound system that worked amazingly well. (x) (使用and 连接两个没有直接关系的两个句子)

　　The junior class built a homecoming float. It had lights and a sound system that worked amazingly well. (√)

　　3. Ben Franklin was a respected and talented statesman, and he was most famous for his discovery of electricity. (x) (转折关系，连接词使用不当)

　　Ben Franklin was a respected and talented statesman, but he was most famous for his discovery of electricity. (√)

　　4. George and Liam argued about football while I tried to study loudly. (x) (修饰词位置不当)

　　George and Liam argued loudly about football while I tried to study. √

　　5. Wrapped in my towel, the sun was not a problem。(x) (逻辑错误)

　　Wrapped in my towel, I found that the sun was not a problem. √

　　例题分析：

　　Credulous people believe in the existence of extra-terrestrial beings, most scientists and other informed students of nature do not。

　　A. Credulous people believing

　　B. While credulous people believe

　　C. Credulous people are always believing

　　D. Since credulous people believe

　　E. Credulous people tend to believe

　　解析：本句划线部分为该句的主语和谓语，看完全句会发现这是个用逗号分隔的句子，显然不符合要求。但因标点处没有划线，所以不能改动。根据两句的意思可以看出应该是转折关系，所以B既解决了逻辑问题，有避免了逗号切割句子的问题。A构成句子碎片，所以不正确。C和E没有解决逗号分隔句子的问题。 D逻辑关系不对。

　　通过上面的常见考点和例题的解析，大家可以对SAT语法改进句子题有了更加全面的了解了。在备考SAT语法改进句子的时候，就可以适当的应用和借鉴一下。

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