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初中英语语法知识精讲精练:连词

2009-12-03  作者:匿名  来源:网络  进入论坛

  连 词   (一) 知识概要   连词是一种在句子与句子之间,短语之间以及名词等其他词语之间起连接作用的虚词,它不能单独作句子的成份。按其意义可分为并列连词和从属连词两大类。并列连词连接的双方是对......

  连 词

  (一) 知识概要

  连词是一种在句子与句子之间,短语之间以及名词等其他词语之间起连接作用的虚词,它不能单独作句子的成份。按其意义可分为并列连词和从属连词两大类。并列连词连接的双方是对等的。常有的并列连词有and, both…and, either…or, neither…nor, not only…but also, as well as等。但如果连接的两部分意义不趋向一致,意义有转折的并列连词有:but, however, while (而),only (只不过)。还有表示选择关系的并列连词,如:or, or else, otherwise… 再有的是连接双方,互为因果,或表示前因后果的连词有:for, so, therefore (因此),then等。从属连词在初中范围内常常用来连接名词性从句,如:that, if, whether, 其次用来连接状语从句。其中有原因状语从句,常用的连接词有:when while, as, since, before, after, once, as soon as, until, till 连接条件状语的连词有:if, unless, as long as 等,而原因状语的连接词有because, since, as, now that (既然)。目的、结果、方式、比较、地点等状语从句的连接词有:so that, so…that, such…that, as…as, than, where… 它们在句子与文章中几乎无处不见。具体用法见下表。

  连词用法一览表

  种类 功用 例句

  并列连词  连接具有并列关系的 词 He knows neither English nor French.

  短语 Are you going by bus or on foot?

  分句 Mary was a good girl, but she had one shortcoming.

  从属连词 引导:  状语从句  I'll do it as you told me.

  You will be late unless you hurry.

  连接代词和连接副词 主语从句  What he said proved true.

  When we'll start has not been decided yet.

  表语从句  This is why he didn't come yesterday.

  That is where he lives.

  宾语从句 The man asked me which I liked best.

  I can't understand why she is so late.

  关系代词和关系副词  定语从句  Nicotine is a drug that gets one into the habit of smoking.

  He came last night when I was out.

  (二) 例题解析

  1 We bought Granny a present, ___ she didn't like it.

  A. but B. and

  C. or D. so 

  [答案] A. 

  [析] 由于句意的原因,应选择转折连词。

  2 Run quickly, ___ we'll miss the early train.

  A. and B. but

  C. so D. or 

  [答案] D. 

  [析] or这里应译为:否则。

  3 I'll give the book to him ___ he comes back.

  A. since B. as soon as

  C. before D. until 

  [答案] B. 

  [析] as soon as 引出的时间状语从句应用一般现在时表示将来要发生的动作。

  4 Don't cross the road ___ the light turns green.

  A. when B. while

  C. until D. as 

  [答案] C. 

  [析] until应译为"直到……才",因为前面的祈使句为否定句。又如:She did not go to bed until her mother came back. 应译为"直到她妈妈回来她才睡觉"。

  5 Miss Gao has been a teacher ___ 1990.

  A. before B. after

  C. since D. in 

  [答案] C. 

  [析] 因为主句为完成时,所以应用 since表示该动作的启始点。

  6 - Which would you like better, tea ___ milk?

  - Tea, please.

  A. but B. and

  C. or D. with 

  [答案] C. 

  [析] 在疑问句与否定句中应用or来表示一种选择。

  7 We love spring ___ there's beautiful flowers every where.

  A. though B. but

  C. or D. because 

  [答案] D. 

  [析] 因为这里表示的是因果关系。

  8 Please leave ___ 7∶00, then you'll be able to get ___ there earlier.

  A. till, in B. from, /

  C. before, / D. behind, to 

  [答案] C. 

  [析] before为在7∶00之前离开。

  9 The teacher didn't begin the lesson ___ all the students stopped talking.

  A. until B. after

  C. if D. because 

  [答案] A. 

  [析] 这句应译为"直到所有的学生都停止讲话老师才开始上课"。因begin为瞬间动词,所以应用否定句。

  10 Betty didn't go to see the film yesterday ___ she was ill.

  A. but B. until

  C. if D. because 

  [答案] D. 

  [析] 这里是表示因果关系,所以应用because。因为她病了所以未去看电影。

  11 You must start right now, ___ you'll miss the train.

  A. for B. and

  C. so D. or 

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