以下是我的个人总结，希望对你有用，肯定也有错误的理解，也希望大家能给我提意见

非限定修饰：1. ，+ 分词(主要是doing)； 2 ，+ 从句(主要是which)

放在句末的非限定性分词修饰

假设句子结构：A do B 其中A主语，B宾语

用法1.doing 逻辑主语是A, 表伴随等，例子OG11-127/104，

用法2.doing 逻辑主语是B，表功效/目的，例子OG11-24/56/

用发3.doing 修饰整个句子/句子的谓语，表整个句子的后果等，例子OG11-43/71

OG里有比较明显的句子，提示优先修饰主语，但是还是逻辑意思最重要。没有一刀切的理论

放在句中的非限定性分词修饰

修饰前面的名词

非限定定语从句

修饰前面紧跟的名词，

A of B的情况也是可能跳跃修饰A，

当中有插入成分也可以跳跃过去修饰插入成分之前的名词

基本考法：利于语法和逻辑是识别其中一种合适的用法，可以参考各自的例子

综合考法：灵活的应用，比如从句好，还是分词好，还有不适用情况等

考法1假设句子结构：A do B of C of D, doing，其中A主语，B宾语（核心词），C D为B修饰成分

考如何修饰C (不是核心词，又不是末尾的词),即无法用分词和从句修饰的情况（反向考法）

分析：doing可以修饰B, which可以修饰D,但是如果我们要修饰C，这两者皆不可用

例子好像是GWD8的

At the annual stockholders meeting, investors heard a presentation on the numerous challenges facing the company, including among them the threat from a rival’s multibillion-dollar paten-infringement suit and the declining sales for the company’s powerful microprocessor chip.

A. including among them the threat from a rival’s multibillion-dollar paten-infringement suit and the declining sales for 应当修饰presentation。逻辑错

B. which includes the threats of a rival’s multibillion-dollar paten-infringement suit and declining sales of 应当修饰company.逻辑错

C. included among these the threat from a rival’s multibillion-dollar paten-infringement suit as well as a decline in sales for

D. among them the threat of a rival’s multibillion-dollar paten-infringement suit and the decline in sales of 正确，这是不是独立主格？？谢谢

E. among these the threat from a rival’s multibillion-dollar paten-infringement suit as well as the decline in sales of

考法2 从句和分词谁更好的问题

OG11-79 修饰紧跟前面的名词，从句更好，doing还可以修饰主语。

.....when Athen was taken by General Mohammed the Conqueror, the Turksh Sultan, Who established a mostue in ..... 比establishing 好（修饰Athen）

考法3 假设句子结构：A do B that , doing，其中A主语，B宾语（核心词），that为B定语从句

or A do B , which...., doing，其中A主语，B宾语（核心词），which为B修饰成分

doing修饰B

例子OG11-56 .....proposed (谓语) building a breakwater of rocks that would raise.... and act as buffer, absorbing.... and protecting......修饰breakwater

例子GWD 21-27The electronics company has unveiled what it claims to be the world’s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs less than 11 ounces.

A. to be the world’s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs weighs的逻辑主语是company肯定错

B. to be the smallest network digital camcorder in the world, which is as long as a handheld computer, weighing 个人认为：逻辑上which...和doing 修饰what---句子的宾语，不知道关系代词是否可以充当此任

C. is the smallest network digital camcorder in the world, which is as long as a handheld computer, and it weighs weighs的逻辑主语是company肯定错

D. is the world’s smallest network digital camcorder, which is as long as a handheld computer and weighs (即it claim what is the world's错)

E. is the world’s smallest network digital camcorder, the length of which is that of a handheld computer, weighing

考法4 假设句子结构：A do B that , doing，其中A主语，B宾语（核心词），that为B定语从句

doing修饰A

例子OG104: Nuclear fusion is the force that powers the Sun, the stars, and hydrogen bombs,merging the nuclei of atoms rather than splitting them apart, as nuclear reactors do.(提示是修饰主语)

发帖子原来还是很麻烦的一件事情，我脑袋大了，想法也不见了，以后再补充了