句子的修饰中对于名词所有格('s或S'结尾的名词)同样值得注意：
◆ Wrong: Unskilled in complex math, Bill’s score on the exam was poor.
在这里，Unskilled in complex math 应修饰Bill，但此处却是Bill’s，所以句意变成Bill’s score是Unskilled in complex math ，显然这非作者要表达的意思。要改正：
◆ Right: Unskilled in complex math, Bill did not score well on the exam.
我们再来看一个例子：
◆ Only in the past century has origami’s development, a ceremonial activity invented millennia ago, into a true art form taken place.
上面的例子中句意变成了the development of origami was a ceremonial activity，所以不要忽视development或其他抽象的名词。他们遵循相同的规则：邻近的修饰语将修饰这个名词。所以上面的句子改写为：
◆ Origami—a ceremonial activity invented millennia ago—has developed into a true art form only in the past century.
我们日常英语有时会看到这种形式的所有格OF X’s，但是在GMAT中这是错误的格式，选择OF X或者X’s
◆ Wrong: The orca, a relative of the blue whale’s, is found throughout he globe.
◆ Right: The orca, a relative of the blue whale, is found throughout the globe.
以上就是GMAT语法考点所有格的具体内容，相信大家通过本文的学习已经明白所有格的用法了。更多GMAT相关信息请关注百利天下出国考试。最后，祝大家在GMAT考试中都能取得理想成绩。
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