2018GMAT语法改错SC高频考点实例讲解 不定式完成时用法说明

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2018GMAT语法改错SC高频考点实例讲解 不定式完成时用法说明

GMAT语法中无论是不定式还是完成时考点单独拿出来看都没有太高难度,可能高中英语比较好的考生就能轻松解答,但如果把这两个考点结合在一起,那么很多同学可能就不知道如何应对了。下面小编就通过真题实例为大家做具体分析讲解。

2018GMAT语法改错SC高频考点实例讲解 不定式完成时用法说明图1

GMAT语法大百科语法点讲解:不定式完成时用法说明

第一个用法,也就是在GMAT中常出现的,信息提供的人不是直接的陈述者

如human beings are thought to have first entered the Americans

human beings first entered这个观点不是这篇文章的作者这么想,而是 are thought(被认为 – 被人们认为)

因为to have 是用在indirect speech,所以经常跟在think, claim, believe
等于陈述信息相关的单词后面多以被动的形式出现. To 前面动词的事态没有限制

第二种用法是future

如he is to have become the next president by the end of January

– he will have become the next 与这个意思想象,不过 will 是uncertain is to have
是certain

he was to have been next president (在过去的时点上看未来)

GMAT不定式完成时用法实例讲解

Balzac drank more than fifty cups of coffee a day and died of caffeine
poisoning; furthermore, caffeine did not seem to bother Samuel Johnson, the
great writer and lexicographer, who was reported to have drunk twenty-five cups
of tea at one sitting.

(A) furthermore, caffeine did not seem to bother

(B) however, caffeine did not seem to bother

(C) however, caffeine did not seem to have bothered

(D) furthermore, caffeine did not seem to have bothered

(E) in addition, caffeine did not seem to bother

选项分析:

做这个题的时候有些考生可能看到没有划线部分的have drunk 后根据平行原则选C, 但这里因为seem
不是表达别人意见的词,而是做着对这件事情的看法,所以就没有必要用to have bothered

所以 正确 答案是B.

GMAT语法中不定式加完成时的考点细节和真题解析就为大家介绍到这里,最后祝各位考生都能顺利通过GMAT考试拿到高分。

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