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考研英语完形填空常考必会六大语法点

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  通过对历年试题的分析可以看出,单纯考查语法知识题的比重并不是很大,这是要体现《大纲》注重考查考生的英语交际能力,鼓励考生用听、说、读、写的实践代替单纯的语法知识学习的测试导向。但这并不意味着对考生语法掌握程度的要求降低了,因为只有对语法知识有较好的掌握,才能在实际的语言运用环境中,识别各种语法现象,对文章进行理解并做出正确的判断。下面就重点语法内容加以总结,供考生参考。
  1. 主谓一致关系
  主谓一致(Subject?Verb Agreement)指谓语动词要与主语的中心词语在"人称"和"数"的方面保持一致。这是在解题过程中需要时刻注意的。解答这类问题的关键是要找准主语的中心词语。
  Example 1
  The novels of John Cheever to a literary tradition that is concerned primarily with manners.
  [A] belongs [B]belong [C]is belonged [D]are belonged
  belong是不及物动词,不能用于被动语态,首先排除C和D。本句的中心主语是the novels(复数),所以此题的正确选项是B。
  2. 虚拟语气
  在英语中,由于说话人的意图不同,动词的表现形式也随之不同,这就需要用不同的"语气"来表达。英语中有三种语气:
  (1)陈述语气(the Indicative Mood)用来陈述事实。如:
  The teacher is very popular with his students.
  (2)祈使语气(the Imperative Mood)提出请求、命令等。如:
  Please open the door.
  (3)虚拟语气(the Subjunctive Mood)表达主观愿望和假设的情况。如:
  If I were you, I would throw it away.
  所谓虚拟,简单地说,就是真实情况并非如此。由于虚拟语气历来是英语学习中的一个难点,尤其是它还有一些特殊形式和用法,所以也可能成为考点。
  Example 2
  Had they examined the question over a much longer period, 1 over the whole life cycle, they 2 reached a different conclusion.
  1. *[A] particularly [B] exclusively [C] preferably [D] precisely
  2. [A] must have [B] will have [C] may have [D] would have
  首先根据"Had they examined the question..."得出这是一个省略if的虚拟条件句。在表示过去情况的虚拟条件句中,从句中的谓语用had+过去分词,主句中的谓语用would have + 过去分词。所以,第2题应该选择D。
  3. 非限定性动词
  非限定性动词是动词的非谓语形式,主要指不定式(the Infinitive)、分词(the Participle)和动名词(the Gerund)。非限定性动词的使用功能多样,且容易混淆,所以它们历来是各种英语考试中的重点。
  Example 3
  We did make our comforts and discomforts 1 , but basically others 2 our experiences to us. We were virtually helpless and 3 the mercy of others, usually our parents.
  As we grew older, increased intellectual development resulted in increased behavioral options' 4 available to us.
  1? [A]knowing [B]known [C]know [D]to know
  2? [A]distributed *[B]dictated [C]allocated [D]ordered
  3? [A]with [B]in *[C]at [D]on
  4? [A]became [B]become [C]becoming [D]to become
  第1题中make在作为表示"致使"意义的动词时,其后的动词及其逻辑主语是被动关系,所以跟在其后的动词要用过去分词形式,如He was trying to make himself understood.所以此题应选B。
  第4题考查动名词的用法。根据上文,resulted in后面应是一个名词、名词词组或相当于名词的成分。只有选项C能构成一个前面带有名词词组所有格的动名词结构,这里的increased behavioral options是become在逻辑上的主语。所以此题应选C。
  Example 4
  There was a big drop during the sunspot years of 1986 and 1987, and the number of people
  1 from diseases caused by a lymphocyte deficiency 2 doubled during the tremendous solar explosion of February 1986.
  1?[A]suffered [B]suffer [C]suffering [D]to suffer
  第1题考查了现在分词做定语的知识。在and连接的后一并列从句中, 1 from diseases caused by a lymphocyte deficiency 2 这个成分是修饰限定主语the number of people,起定语作用的。在四个选项中虽然选项A、C、D都有做定语的功能,然而从上下文的语意以及三个选项各自表示的时态、语态功能来判断,the number of people是suffer的逻辑主语,是动作suffer的发动者,所以此题选C项suffering最合适。
  Example 5
  Experts speculate that hardships might prompt some Russian scientists their know-how on the black market.
  [A]to sell [B]to selling [C]sell [D]sold to
  此题应选A。prompt后接不定式构成prompt to do sth.。

重点单词   查看全部解释    
assure [ə'ʃuə]

想一想再看

vt. 使确信,使放心,确保

联想记忆
available [ə'veiləbl]

想一想再看

adj. 可用的,可得到的,有用的,有效的

联想记忆
established [is'tæbliʃt]

想一想再看

adj. 已被确认的,确定的,建立的,制定的 动词est

 
concerned [kən'sə:nd]

想一想再看

adj. 担忧的,关心的

 
speculate ['spekjuleit]

想一想再看

vt. 推测,好奇
vi. 深思,投机

联想记忆
guilty ['gilti]

想一想再看

adj. 有罪的,内疚的

 
imperative [im'perətiv]

想一想再看

n. 命令,诫命,需要,祈使语气
adj. 命

 
popular ['pɔpjulə]

想一想再看

adj. 流行的,大众的,通俗的,受欢迎的

联想记忆
explosion [iks'pləuʒən]

想一想再看

n. 爆炸,爆发,激增

 
intellectual [.intil'ektʃuəl]

想一想再看

n. 知识份子,凭理智做事者
adj. 智力的

联想记忆

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