初中英语分类练习—连词用法详解.docx

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1、连词部分连词在句中的作用是把词与词、短语与短语、句子与句子连接起来。它不能在句中单独作句 子成分。连词的分类:1并列连词 如:and, or, but, for, 等, 连接并列的词与词,短语与短语,句子与句 子。如:Rice and potatoes are common foods. (词与词)Today we can travel by plane. (短语与短语)Many trees lose their leaves in winter, but evergreen trees do not. ( 句子与句子) 关联连词是一类成对使用的连词如:bothand, notbut.not

2、only but also not onlybut as welleitheror neithernor关联连词必须后接同样的语法结构。如:Either the windows were opened or the door was opened.2从属连词 如:that, whether, when, because, though 等, 用以引导名词性从句和 状语从句。从属连词引导的从句不可以被断成一个句子。 如果断开,就错了。如:When the alarm clock rang. (不完整)though (although)引导让步状语从句,because 引导原因状语从句, 所以 t

3、hough(although) 不能和并列连词 but ,because 不能和并列连词 so 一起使用。 只能单独使用。二、复习时需要注意的要点(1)表示选择关系的连词,连接的双方只取其一。常用连词有 or, either.or, otherwise 例如:1) You can go to Beijing e ither today or tomorrow2) You must get up early or you wont catch the early bus.(2)表示转折关系,连接的双方构成对比,意义上有转折。常用连词有 but, however, while, only 例如:1

4、) His brother is fond of football while he likes basketball.2) You can watch TV, but you must finish your homework first.(3)表示联合关系,联合的双方是对等的,意义上趋向一致。常用连词有:and, both.and, neither.nor, not only.but also, as well as, together with例如:1) To study English well, w e need both diligence and careful.2) That

5、horse is not only the youngest among the five, but also runs the fastest.(4)表示因果关系,连接的双方,互为因果,或者前因后果,或者前果后因。常用的连词有: for, so, therefore例如:1) It must have rained, for the ground is wet.2) You are in the right, therefore they should support you.实战演练一 、 例 题 选 讲1 / 2例 1 he did not know much English,he go

6、t out his dictionary and looked up the word.A As B ForC Since D Because答案: A提示: for,because 和 as 虽皆可作连词用,表示“因为”,但用法有些区 别。for 引导的分句总是置于另一分句之后,常常对前一分句加以解 释,两个分句之间,总是用逗号分开。because 引导的原因状语从句 时,往往以 why 问句,语气比较重,传递的往往是对方未了解的新 信息。as 引导的原因状语从句时,往往是对方也知道的信息。本句 是他拿出词典查,显然,“他知道的英语单词不多”,这是明摆着 的事,所以用 as 最恰当。例 2y

7、ou don t feel well,youd better stay at homeA BecauseC For答案:BBDSince/IfNow例 3I dont knowA ifC what答案: Ahe has received the package.B whenD how many提示:if 表示是否,when 不能与现在完成时连用。例 4Come tomorrow, I will give it to you.A orC though答案: BB andD if提示:and 在此处解释为“那么”,表示递进关系。例 5The teacher his students likes football.A andC and also答案: BB as well as D also提示:as well as 连接两个主语用靠前原则。例 6We were having lunch some one knocked at the door.A asC when答案: CB a soon as D while提示:when 在这里解释“就在那时”2 / 2

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