【GMAT语法SC大全】前置与后置形容词语法点真题分析

gmat语法，又叫句子改错(sentence correction)，是整个GMAT语文(VERBAL)三大题型中难度最高却也最容易提分的题型。说它难度高，是因为英语语法向来是中国考生的软肋，特别是对于英语基础不扎实的考生来说可谓老大难问题。至于提分容易，则是因为比起出题思路天马行空、文章难度高深莫测且基本没有规律可循的阅读和逻辑来说，GMAT语法无论是考点还是难度，都更有规律，花费同样时间精力复习往往提升更为明显。如果考生们还想更多了解别的语法点，请点这里!

话虽如此，想要考好GMAT语法秒解难题还是需要花上一番功夫的。特别是对于考试涉及的各类语法点和疑难杂症，考生势必要多加努力才能有所收获。下面小编就为大家汇总整理了GMAT语法考试中出现频率最高也最容易做错的语法难题，配合实例解析，为大家每日讲解。

GMAT语法大百科每日语法点：前置与后置形容词的用法说明

1.如果是作为前置形容词:

即形容词位于句首,单独修饰主句的主语.

该形容词的作用和分词一样,逻辑主语必须一致,而且可以还原为完整的句子.

2.如果是作为后置形容词:

既形容词位于修饰对象之后,且两者之间有逗号隔开.

该形容词的作用作为定语就近修饰,可以还原为定语从句.

但如果定语从句中有情态动词,不可以省略为简单的形容词.

而且,后置形容词不可以像现在分词修饰整个句子.

在该种情况下,必须在形容词前面加上具体名词.

GMAT前置与后置形容词用法实例讲解

In his research paper, Dr. Frosh, medical director of the Payne Whitney Clinic, distinguishes mood swings, which may be violent without their being grounded in mental disease, from genuine manic-depressive psychosis.

(A) mood swings, which may be violent without their being grounded in mental disease, from genuine manic-depressive psychosis

(B) mood swings, perhaps violent without being grounded in mental disease, and genuine manic-depressive psychosis

(C) between mood swings, which may be violent without being grounded in mental disease, and genuine manic-depressive psychosis

(D) between mood swings, perhaps violent without being grounded in mental disease, from genuine manic-depressive psychosis

(E) genuine manic-depressive psychosis and mood swings, which may be violent without being grounded in mental disease

选项分析：

首先，这句话用的是一个固定搭配distinguish between x and y，不能用from

另外，定从省略多见于省略(which/that+ is/are/was/were)，有情态动词时似乎不该省略。 而如果理解perhapsviolent without being grounded in mental disease为省略which is,就变成which is perhaps violent without being grounded in mental disease,读的就不顺畅。

所以最后答案是C

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