GMAT最喜欢考察的语法点便是平行。平行原则：可比较的句子成分(Comparable sentence parts)必须在结构上和逻辑上相似，接下来小编就GMAT语法平行结构为大家介绍一下，希望对大家备考GMAT语法考试有所帮助。
我们不需要使每个单词都平行，只要重要部分平行就可以了。
1、Parallel markers(平行标志)：(看见标志想平行，搭配不能错，要敏感!)
| Markers |
Structures |
| And | X and Y |
| Both/and | Both X and Y |
| Or | X or Y |
| Either/or | Either X or Y |
| Not/but | Not X but Y |
| Not only/but also | Not only X but also Y |
| Rather than | X rather than Y |
| From/to | From X to Y |
不仅限于这些，所有表示两、三样事物的结构都需要平行。
2、为了避免歧义，两个平行从句必须都有引导词引导，即使引导词一样也不可以省略!
×I want to retire to a place where I can relax and I pay low taxes.
√ I want to retire to a place where I can relax and where I pay low taxes.
不过：and左右的两遍的句子的主从连词不需要一模一样
注意：引导词前面的成分不能随意省略! (错句中：likes……who are not单独放着是make no sense的)
×Ralph likes both those who are popular and who are not.
√Ralph likes both those who are popular and those who are not.
3、【and】:看到and就要找对应的成份。
用and连接并列成分，最后一项的前面不可以把and省略掉。用and平行两个句子，在and前面加不加逗号都可以，但两个句子很长的时候最好加上。
And的分层并列：分清层次，同一个并列连词连接的必须结构相似，词性相同
×She argues that the agency acts with disregard for human life and property and
reckless abandon and it should therefore be shut down.
√She argues that the agency acts with reckless abandon and with disregard for
human life and property, and that it should therefore be shut down.
4、以下习语都要求平行结构。
| X Acts As Y | Distinguish X From Y | X is the Same As Y |
| As X, So Y | Estimate X To Be Y | X is good, and So Too is Y |
| Between X And Y | X Instead Of Y | X, Such As Y (example) |
| Compared To X, Y | X is Known To Be Y | Think Of X As Y |
| Consider X Y | X is Less Than Y | X is Thought To Be Y |
| In Contrast To X, Y | Make X Y | |
| Declare X ,Y | Mistake X For Y | |
| X Develops Into Y | Not Only X(,) But Also Y (the comma is optional) | |
| X Differs From Y | Regard X As Y |
5、逻辑平行应优于结构平行考虑，尤其注意动词形式。
★Sal applied himself in his new job, arriving early every day, skipping lunch regularly, AND leaving late every night.
这个句子是正确的。主句是动词是applied，三个-ing成分则是为主句提供Sal applied的具体信息。不要想当然地认为句子里的每个东西都要一个形式(考虑逻辑意义)!
6、【系动词】是一种隐晦的平行。系动词表示主语的身份和状态(是什么/在什么情况下)系动词两边的主语和宾语必须在结构上平行，同时在语义上对应(同质!)。
实际上就是因为宾语是直接解释主语的，所以两者必须是同类的东西(还是理解意思为主!)。
| be动词 | 其他系动词 | (看起来，闻起来…) |
| is | appear | seem |
| are | become | smell |
| was | feel | sound |
| were | grow | stay |
| am | look | taste |
| been | remain | turn |
| be | represent | |
| represent | resemble |
× Upon being nominated, this politician represent a step forward in urban-rural relations in this country.
√The nomination of this politician represents a step forward in urban-rural relations in this country.
× The bouquet of flowers was a giving of love.
√ The bouquet of flowers was a gift of love.
以上就是关于GMAT语法平行结构的相关介绍，希望大家能够学习。考生千万要注意，争取不要大意失分，在紧要关头出错。更多关于GMAT语法入门资料敬请关注前程百利考试论坛GMAT专区。最后祝大家顺利备考GMAT考试，早日梦圆名校。
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