自考英语(二)应试技巧-词形变化

来源:     2018-05-23 09:59:11     阅读量:363

导读:熟练掌握动词词形变化规律。注意:动词形式既包括谓语动词的各种形式,如时态、语态及语气(直陈、虚拟)等,虚拟语气为重点,几年来的考题中都有这方面内容;也包括非谓语动词的各种形式。

  1.做动词的词形变化时,首先要搞清楚它在句中是谓语动词还是非谓语动词,然后再作相应的变化。
  
  2.认真学好并熟悉课文。本题所选用的句子是根据教材中出现的句子编写的,其中多数来自课文,所以熟悉教材十分重要。
  
  3.认真钻研相关的语法讲解。主要指谓语动词、非谓语动词、形容词、副词比较等级、情态动词、虚拟语气\形容词比较级、最高级,等部分。
  
  动词:动词是考试的重点。主要包括:动词的时态、语态、语气和非谓语动词。
  
  1)动词的时态:重点是动词的过去时、完成时。
  
  So far, Irving ______(live) in New York City for ten years. has lived
  
  Many a writer of newspaper articles_______(trun) to writing novels during the past decade. has turned
  
  Some people think relations between people _______(deteriorate) so much that understanding and friendship are almost impossible . have deteriorated
  
  Nearly a week passed before the girl was able to explain what _______(happen) to her.
  
  had happened
  
  In the past two decades, research _____(expand) our knowledge about sleep and dreams . has expanded
  
  2)动词的语态:主要掌握各个时态的被动式。
  
  The nations that _______actively ________(involve) in earthquake prediction programs include Japan, Russia, and the United States. are involved
  
  There __________(estimate) to be more than 20,000 overseas domestic servants working in Brtain in 1995. were estimated
  
  3)动词的语气:
  
  A.掌握非真实条件句中,谓语动词在主句和条件句中的虚拟语气形式。
  
  If you had come earlier, you ______ (not miss) the first act of the play.
  
  would not have missed
  
  If it hadn‘t been for your help, we _____(be) in real trouble.
  
  would have been
  
  B.在表示建议、命令、要求以及表示“重要性”和“紧迫性”等含义的主语从句、宾语从句、表语从句和同位语从句中,谓语动词常用虚拟语气,由“动词原形”或“should + 动词原形”构成。 should 常常省略
  
  I would recommend that you _______(think) about doing something similar for yourself. (should) think
  
  It was imperative that students ______(finish) their papers before July 1st.
  
  (should) finish
  
  C.动词wish 、would rather (sooner)、if only、as if 后的虚拟语气。
  
  I would rather he _____(buy) the house next year.
  
  bought ( 表示从句中动作尚未发生)
  
  She treats me as if I ______ (be) a stranger. were
  
  The manager told us to be friendly to the visitors as if we _____( meet) them before.
  
  had met
  
  If only we ______(have) a phone! I‘m tired of waiting outside the public phone box.
  
  D.in case , for fear that , lest 等词后从句的谓语动词为(should) + 原形。
  
  He took his umbrella with him lest it _______ (rain.)
  
  (should) rain
  
  E.在It is (high) time that 从句中谓语动词一般用过去时动词。
  
  It‘s high time that we _______(take) firm measures to protect our environment. took
  
  F.时间错综条件句,动词的形式要根据表示的时间调整。
  
  如果我们早动身,现在就不会在雨中走了。
  
  If we had set out earlier,we wouldn‘t be walking in the rain.
  
  (从句中动作发生在过去,主句中动作发生在现在。)
  
  4)动词的非谓语动词形式:
  
  A.动词不定式:主要考查动词不定式作定语、宾语、宾语或主语补足语等的用法。还要注意动词不定式的被动式与完成式。
  
  不定式作定语:If there is no choice, there is no decision ______(make) to be made
  
  不定式作宾语: Robots , already taking over human tasks in the automotive field, are beginning ________(see) . to be seen
  
  不定式作宾补 I notice him _______( leave ) the classroom. leave (可省略to)
  
  不定式作主补:They were often compelled ______(work) twelve or fourteen hours a day.
  
  to work( 不可省略to)
  
  We make them (to) work day and night. 不定式作宾语补语,在有些动词后可以省略TO
  
  They are made to work day and night. 不定式作主语补语时,不可省略TO
  
  B.分词:主要考查分词作定语、状语、宾语补足语的用法。注意现在分词与过去分词的区别。 另外,还有现在分词的被动式与完成式的形式。