GMAT语法高频考点真题解析 手把手教你做SC不定式难题
- 2017年03月13日14:30 来源：小站教育作者：orangejojo
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在GMAT语法考试中，不定式作为一种常见的英语形式经常作为考点出现，可以算是比较高频的语法重点之一。而想要做好涉及到不定式的题目，考生就需要对这一考点就充分了解和认识。下面小编就通过真题解析为大家带来GMAT语法不定式考点的思路指导。GMAT语法快速排除选项必备技巧讲解
GMAT语法不定式常见用法介绍
不定式在句子中可以充当很多成分，如名词，形容词或副词：
Noun: I love TO SWIM. To swim 作为love 的宾语.
Adjective: The person TO MEET is here. To meet 修饰名词person .
Adverb: Sue paused TO EAT lunch. To eat 修饰动词paused .
实例对比不定式正确错误用法
对于不定式的使用，我们也更应该关注不定式所要表达的目的：
Right: The contractors demolished the building TO KEEP it from falling down accidentally. demolished 的发起者是contractors ,同时也是不定式to keep的发起者，它描述了demolish 的目的，这里的it 指代building。
我们再看一个例子：
Wrong: The building was demolished TO AVOID falling down accidentally. 例子中building 本身不可能AVOID falling down，对于上面例子可以这样修改：The building was demolished TO KEEP IT from falling down accidentally. 这里的it 指代building ，经过这样修改，building 变成了不定式的宾语。不定式虽然可騨发名词用但还是和名词有许多不同的地方，比如不能作为介词的宾语。
真题分析GMAT语法不定式解题思路
真题例题
Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving as a kind of snorkel.
A that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving
B that has suggested the elephant descended from an aquatic animal, its trunk originally evolving
C suggesting that the elephant had descended from an aquatic animal with its trunk originally evolved
D to suggest that the elephant had descended from an aquatic animal and its trunk originally evolved
E to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved
选项解析
A. Suggest that… and that…. 第二个that不能省略，且and前面不需要逗号
B. Suggest的用法不符合习语
C. 句子使用过去完成时没有根据，with部分结构错误
D. 宾语从句平行，第二个that不能省略
E. 正确
GMAT语法涉及考点众多，其中许多题目都存在一题多考点混合叠加的现象。而考生想要顺利应对这些题目，对于不定式等基础语法点就必须有更加明确的认识以确保解题思路不受干扰。小编希望上文内容能够帮助大家加深对语法不定式问题的理解，理顺思路做好SC难题。
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