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2021考研英语语法:作后置定语的3种短语辨析
一、介词短语作后置定语
,如the bird in the tree(树上的小鸟),the standard of living(生活水平),the way to the hotel(去旅馆的路),the life in the future(未来的生活)。
二、不定式短语作后置定语,用来修饰限定其前的名词或名词性短语
分为以下三类:
1. 在某些名词结构中可用动词不定式作后置定语。
I have a lot of homework to do.
He is the first to finish the task.
There are a lot of things to do.
2. 在某些抽象名词后可用动词不定式作后置定语,具体说明抽象名词的内容。常见名词有ability, anxiety, attempt, decision, chance, courage, right, determination, promise, ambition, effort, drive, eagerness, failure, inclination, intention, movement, need, opportunity, plan, reason, struggle, time, way, wish等。例句:
He has the ability to do the work.
I don’t have the courage to tell you the secret.
3. 动词不定式有时可替代一个定语从句,与其前修饰的名词是主动关系,在时态上含有将来的含义。例如:
Perhaps in the years to come(=that will come),we will meet again.
In the lectures to follow(=that will follow), she talked about her trip to China.
三、分词短语作后置定语
这时一般可以改写为定语从句,现在分词作后置定语与修饰的名词是主动关系,过去分词作后置定语与修饰的名词是被动关系。例如,
S1:There is a lady waiting for you.=There is a lady who waits for you.
S2:What is the language spoken in China?=What is the language which is spoken in China?
S1中,lady和wait之间是主动关系,S2中,language与spoken之间是被动关系。
我们在写作时,为了让句子结构更为高级,或是达到句式多样的目的,常用分词短语作后置定语来代替定语从句。如在2012年的考研英语作文中,我们在描图表示两个人对同样的半瓶水表现出不同的态度时,可以说:As is shown in the picture, there is a contrast between two men facing the same problem with half a bottle of water. 在这个英语句子中,我们用现在分词短语作men的后置定语,相当于定语从句who face the same problem with half a bottle of water. 再如,在表达一个人眉头紧缩,因为水撒了发出叹息,可以说:The one frowning in anxiety is sighing because the water is spoilt out of the bottle。此句中,现在分词短语作one的后置定语,相当于从句who frowns in anxiety。用现在分词短语代替从句可以使句式更简短,句型也更为高级,更加丰富,同时也显示出考生深厚的语法功底。
2021考研英语语法:名词性的主语从句的解析
名词性从句。名词性从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语等,因此根据它在句中不同的语法功能,名词性从句又可分为主语从句、宾语从句、表语从句和同位语从句。今天我们就来重点讲一下其中的主语从句。
在复合句中充当主语成分的句子叫作主语从句。它的具体表现形式是:引导词引导一个从句作主语或者it作形式主语+谓语/系表结构+引导词+从句。
【例1】that
That Chris Lee won the champion of Super Girl in 2005 arouse wide public concern.李宇春赢得2005年超女冠军这件事引起了社会的广泛关注。
【例2】what
What caused the accident remains unknown.是什么引起了这一事故仍然未知。
【例3】where
Where my wife and I should choose to continue my further education is a question of great importance.我太太和我应该去哪享受我们的蜜月还没有最后决定。
【例4】which
Which university I should choose to continue my further education is a question of great importance.我应该考哪个大学的研究生是个很重要的问题。
【例5】when
When and where the test will be given is not yet decided.什么时候在什么地方进行考试还没定下来。
【例6】-ever
Whoever gets the job will have a lot of work to do.任何得到这份工作的人都将要有很多工作要做。
【例7】how
How we can protect the grain from damp needs to be discussed.我们怎样才能保护粮食不受潮需要讨论。
【例8】whether
Whether this is true or not remains a mystery.这是对是错还是个谜。
It句型
有的时候主语从句过长,根据人类短暂记忆规律,主语过长会影响理解和阅读,往往会用it作形式主语,而把真正的主语放在句尾,加以强调,是为it句型。
【例】
It is a pity that we won't be able to go to the south to spend our summer vacation.我们不能去南方度过我们的暑假很遗憾。
为表示强调,常以形式主语it引导从句。It+谓语+引导词+从句。由于主语从句一般被认为是单数形式,形式主语代表真正的主语,因此要用it。因此形式主语的谓语动词、be动词+表语均为第三人称单数形式或过去式。
英国桂冠诗人约翰·梅斯菲尔德说:“快乐的日子使人睿智。”很多考生可能觉得这句话应该反过来说,但其实复习过一段时间以后,面对着越来越复杂的难题,你就会发现,保持快乐的心态,复习效率自然而然就会提高。
2021考研英语语法:独立主格结构的语法精读
一、独立主格结构
独立主格结构由名词或代词加上其他成分(分词、不定式、名词、代词、形容词、副词或介词短语)构成。
独立主格结构没有主语和谓语,所以在语法上不是句子。但多有名词或代词表示的逻辑主语,分词或不定式表示的逻辑谓语,有时还有其他修饰成分。(判断一个结构是否是句子的标准就是看看这个结构是否有谓语动词。)这种结构通常在句子中起方式、时间、原因、条件等状语或状语从句的作用,主要用于书面语。使用动词非谓语形式的独立主格结构可以改为句子形式(从句):独立主格结构加上连词,非谓语动词改为谓语动词形式,这样就成为从句了。
例如:
Today being Sunday, the library isn' t open.今天星期天,图书馆不开放。
(原因)改为从句:
As (Since) today is Sunday, the library isn' t open.
例如:
There being no buses,we had to take a taxi. 没有汽车了,我们只好坐出租车了。
Because there were no buses, we had to take a taxi.
The signal given,the bus started.信号发出后,公共汽车就启动了。
(时间)改为从句:
After the signal was given, the bus started.
The boy followed that man here,and climbed in,sword in hand.少年跟那个人到这里,并爬了进来,手里拿着剑。
The boy followed that man here,and climbed in,and had a sword in his hand.
The mid-term examination is over, the end-of-term examination to come two months later.期中考试结束了,两个月之后进行期末考试.
The mid-term examination is over, and the end-of-term examination is to come two months later.
Weather permitting, we' 11 visit the Great Wall.如果天气允许的话,我们就去参观长城。
If weather permits, we' 11 visit the Great Wall.
The boy followed that man here, and climbed in, sword in hand.少年跟那个人到这里,并爬了进来,手里拿着剑。(伴随状语)
上文例句中sword in hand是由“名词+介词短语”构成,表示伴随的情况。这种表示伴随情的独立主格结构,有时可以用with
引出,二者的意思是一样的,with结构更加口语话,更加常用。
She left the office with tears in her eyes.她眼里含着泪水,离开了办公室。
The teacher walked into the classroom, with a ruler under his arm and some books in his hand.老师胳膊底下挟着一把尺子,手里拿着几本书,走进了教室。
The teacher walked into the classroom. He was holding a ruler under his arm and some books in his hand.
Tian' anmen Square looks magnificent with all the lights on.华灯齐放,天安门广场显得美丽动人。
With the boy leading the way, we found his house with no difficulty.由这孩子领路,我们毫不费劲地找到他的家。
With him to give us a lead, our team is bound to turn out well.有他给我们带头,我们对一定能搞好。
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