习语的用法错误表现在平行结构标志词混搭，比较结构标志词混搭，固定句型用法，命令性虚拟语气词语，such as与like,rather than 与instead of ;whether 与if ,不定式to do 与for doing 表目的还有其他词与词组的考察。这部分在GMAT句子改错中出现的次数还是比较多的，本文就给大家介绍下GMAT句子改错之习语考察。
一、平行结构标志词混搭：
首先我们回忆一下平行结构标志词有哪些:
Rather than;not only…but also…;from…to…;either…or…;neither…nor…;between…and…;both…and…;not…but…;as well as ……
我们来了解一下正确的平行搭配是怎样的，以及GMAT句子改错中会出现哪些混搭错误：
1、We are concerned about the forests and also the oceans.分析：also用错，应该只要and.
正确句子：We are concerned about the forests and the oceans.
2、We wore not only boots and also sandals.分析：and also 用错，应该是but also.
正确句子：We wore not only boots but also sandals.
3、A battle ensued between the reactionaries with the radicals.分析：把with改成and.
正确句子：A battle ensued between the reactionaries and the radicals.
4、The price fell from 10 euros down to 3 euros.分析：把down 去掉。
正确句子：The price fell from 10 euros to 3 euros.
注意：
and 表并列可以直接连接两个平行的对象，如果是多个的时候，通常会在最后一个并列成分之前有个“逗号”隔开，然后再用and把它最后项连接起来，如果是句子并列也是在后一个句子之前会有逗号出现，然后第二个句子用and连接起来。
二、比较结构标志词混搭
首先我们回忆一下比较结构标志词有哪些:
Like/unlike
Like VS as
(adj./adv.)比较级+than
As +(adj./adv.)+as
The same as
Different from
In contrast to/with
我们来了解一下正确的比较搭配是怎样的，以及GMAT句子改错中会出现哪些混搭错误：
1、His books are more impressive as those of other writers.分析：more…as…搭配错误，正确搭配是more…than…
正确句子：His books are more impressive than those of other writers.
2、As many as or more than 250 newspapers are published here.分析：As many as or more than改成More than.
正确句子：More than 250 newspapers are published here.
3、He is twice as tall than Alex(is).分析：把than换成as.
正确句子：He is twice as tall as Alex(is).
三、固定句型用法
常见的固定句型有so that…(表目的)，so …that…(表结果)
So as to…(表目的)，so…as to…(表结果)
(just)as…，so…(表类似)
我们来了解一下正确的固定句型是怎样的，以及GMAT句子改错中会出现哪些混搭错误：
1、She gave money so the school could offer scholarships.分析：so that 表目的，应该加一个that。
正确句子：She gave money so that the school could offer scholarships.
2、The book was so short I could read it.分析：so …that…(表结果)，句子中缺that。
正确句子：The book was so short that I could read it.
3、The sauce had such heat as to burn my mouth.分析:so…as to…(表结果)
正确句子：The sauce was so hot as to burn my mouth.
4、Just like you practice,so shall you play.分析：(just)as…，so…(表类似)
正确句子：Just as you practice,so shall you play.
四、命令性虚拟语气词语
首先我们回忆一下虚拟语气标志词有哪些:
Mandate，order，recommend，request，require，suggest，propose等接that从句时，从句谓语用动词原形。
1、The state orders that the agency should collect taxes.分析：GMAT句子改错中虚拟语气should要省略，不省略就是错误的。
正确句子：The state orders that the agency collect taxes.
2、The attorneys proposed that a settlement is reached.分析：虚拟语气中that从句要接动词原形。
正确句子：The attorneys proposed that a settlement be reached.
五、举例子要用such as不用like.
我们看一个例子：
The ecosystems of barrier island are extremely vulnerable--whether from natural processes like shoreline recession,rising sea levels,and destructive hurricanes,or the ever increasing pressures of development.分析:GMAT句子改错中，举例子用such as ,如果用like举例子就是错误的。
正确句子:
The ecosystems of barrier island are extremely vulnerable--to natural processes such as shoreline recession,rising sea levels,and destructive hurricanes,or to the ever increasing pressures of development.
六、其他固定用法
1、Rather than 优于instead of
例：He wrote with pencils instead of pens.分析：instead of用法也正确，但是GMAT句子改错中，rather than 优于instead of,所以句中要用rather than 。
2、表“是否”用whether不用if
例：I do not know if I will go.分析：GMAT句子改错中表达“是否”的时候，要用whether不用if，这就是GMAT句子的用法倾向性，需要大家记住。
3、表目的用to do,in order to do 不用for doing.
例1：She drank coffee for staying awake.分析：表目的不用for doing形式。
正确句子：She drank coffee(in order )to stay awake.
例2：She drank coffee so as to stay awake.分析： so as to用法复杂，
正确句子：She drank coffee so that she could stay awake.(so that句型也可以)
例3：Coffee was drunk by her in order to stay awake.分析：被动语态中不能用to do,in order to do。
4、表能力词优越性排名：
can>be able to do>be capable of doing>have the ability to do>have the capability of doing(动词优于形容词优于名词)
例：The studies indicate that dolphins as capable of recognizing themselves in mirrors,and to grasp spontaneously the mood or intention of humans.
我们看一下其中两个经过修改的可能正确的选项
(A)dolphins have the ability of recognizing themselves in mirrors,and spontaneously grasping.
(B)dolphins are capable of recognizing themselves in mirrors,and of spontaneously grasping.
根据能力词的优越性选择B
5、likely用法：be likely to do;it is likely that……
6、还有一些其他固定搭配有estimate to be，date at,only放在修饰对象之前;way ,means,
Method等表示方式方法用of doing的形式或者to do 而不是for doing。
以上就是小编为大家整理的关于GMAT句子改错之习语的内容介绍，小伙伴们知道了吗? 希望对考生有帮助，更多关于GMAT备考的资讯小编会持续为大家送上，大家也可以关注GMAT官网获取更多备考资讯，祝大家早日梦圆名校。
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