OG12__21&66中“n. ，doing”现在分词作定语或状语的问题

arcueid · 发表于 2009-11-25 20:34:40

OG12—21

Neuroscientists, havingamassed a wealth of knowledge over the past twenty years about thebrain and its development from birth to adulthood,are now drawing solid conclusions about how human brain grows and how babies acquire language.

D Neuroscientists have amassed a wealth of knowledge over the past twenty years about thebrain and its development from birth to adulthood,

OG对D的解释是The final descriptor in present tense, now drawing conclusion ... does not fit the opening clause, which is in present-perfect tense (have amassed a wealth ...) and seems to modify adulthood.
也就是说这里的doing作定语修饰前面的adulthood。

OG 66

The 32 species that make up the dolphin family are closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods.
B include the animal known as the killer whale, growing as big as 30 feet long and

先撇开B中as big as ... long不谈，OG对B的解释是 Changing the verb to the participial growing introduces ambiguity, because it could refer back to the subject of the sentence (32 species).

为什么到了这一题里growing就不能作定语修饰前面的killer whale？

我本来对n. ，doing中doing做定语还是状语的理解是：假设做定语，修饰前面的名词是否讲得通（21题）再假设做定语逻辑主语是前面的句子或者句子主语，修饰主句的动作看讲得通（66题）。

但是现在被OG对这两题的解释给完全搞迷糊了。GMAC到底是说能只能做状语，还是说（不管句子意思）又能状语又能定语所以是歧义所可以直接排除？？

lpdeng · 发表于 2009-12-15 10:52:46

刚刚总结了句末分词：
1）没逗号分开：作定语就近修饰前面中心词；
2）有逗号分开：优先作状语修饰句子；若语法上不允许修饰句子（比如，两个动作明显不是同时发生，一般有时间词暗示），则就近修饰前面中心词。

og12-21 就是有逗号分开的句末分词，但是语法上不允许作状语修饰句子（两个动作明显不是同时发生，有时间词暗示，一个现在完成时，表示动作已经结束；另一个有时间词now，表示动作现在还在进行），所以语法上讲只能就近修饰前面中心词。

og12-66 语法上可以作状语修饰句子，所以优先作状语修饰句子。

句末分词，我也特别糊涂。这里说说自己的理解。错了，望大家指教。 ^^

arcueid · 发表于 2009-12-28 11:29:48

，+doing 我现在是这样理解的：
1，如果做状语，逻辑主语是句子主语，修饰谓语，看逻辑通不通
主句完成时，做状语只能是原因状语或结果状语OG12/36.78.，我也觉得21D的分词作状语的话是错在now drawing跟have amassed这儿

2，如果做定语，就近修饰逗号前面的名词，看逻辑通不通
逗号+分词做定语跟定语从句有一定区别，上面66B中，... the killer whale, growing as big as 30 feet long and如果growing做定语，就是说长到30 feet是killer whal的属性，而不是可以长到30 feet

nancyyen · 发表于 2009-12-28 15:46:41

除此之外我觉得还要判断句子要表达的主要意思是什么（判断哪一个动词做谓语动词）amass后面的东西不是要主要表达的

OG12__21&66中“n. ，doing”现在分词作定语或状语的问题

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