拆分句子结构 轻松突破考研英语长难句

　　在考研英语中，关于长难句的考查，常常令很多考生不知所云，头疼不已。事实上，只要对句子进行拆分，厘清句子最基本的几种构成结构，就可以有效突破考研英语长难句关。这就跟随外语在线学习平台北外网课老师一起学起来吧。

连词：and, or, but, yet, for等并列连词; when, as, since, until, before, after, where, because, since,thought, although, so that等连接状语从句的连接词。

关系词：如连接名词性从句的

who, whom, whose, what, which, whatever,whichever等关系代词和when, where, how, why等关系副词;还有连接定语从句的关系代词，如who, which, that, whom, whose

介词：如on, in, with, at, of, to等介词常常引导介词短语作修饰语，

不定式符号to：不定式常常构成不定式短语做定语或者状语修饰语

分词：过去分词和现在分词可以构成分词短语作修饰语，可以是句子拆分点。

标点符号：标点符号常常断开句子的主干和修饰部分，是一个明显拆分点。

句子拆分

例：1 Social science is that branch of intellectual enquiry which seeksto study humans and

their endeavors in the same reasoned,orderly, systematic, and dispassioned manner that natural

scientists use for the study of naturalphenomena.

句子的主干是：

Social science is that branch ofintellectual enquiry

定语从句：which后面是一个定语从句，其先行词是social science

方式状语：in the same reasoned, orderly, systematic, and dispassioned manner是方式状语，其中的reasoned,orderly, systematic, and dispassioned是并列定语，修饰manner

定语从句：that natural scientists use for the study of natural phenomena

是定语从句，其先行词是manner。

拆分后句子的总结构是：

Social science is that branch ofintellectual enquiry which seeks to study humans and