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英语连词用法详解 |
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作者:soosun 文章来源:本站原创 点击数: 更新时间:2008-12-7 |
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连 词 连词分为并列连词和从属连词两大类。并列连词是连接主语与主语,谓语与谓语,句子与句子,分词与分词的词,它要求前后两部分有相同的形式和语法作用;而从属连词一般连接主句与从句,从句形式有名词性从句,定语从句和状语从句等。 (一)并列连词: 并列连词可用来连接词与词,词组与词组,分句与分句。常用的并列连词有:and(和),as well as(既…又),both … and(不但…而且),not only … but also(不但…而且),not … but(不是…而是),neither … nor(既不…也不),either … or(不是…就是),or(或者),but (但是),yet(然而),for(因为),so(所以),while(而),when(这时)等。如:Both my brother and my sister are teachers./ His room is bright but mine is gloomy(暗沉沉的)./ He can not only repair radios but also fix them./ It is a glorious(光荣的)yet difficult task./ Strike while iron is hot. (二)从属连词 从属连词是指在复合句中引导从句的连结词。常见的从属连词有: 引导时间状语从句的:after, before, when, as, while, since, until, till, as soon as 引导原因状语从句的:because, since, as 引导让步状语从句的:although, though, no matter(无论), even if (though) 引导条件状语从句的:if, unless, once, so (as) long as 引导结果状语从句的:so … that …, such … that … 引导目的状语从句的:so that …, in order that … 引导比较状语从句的:as … as …, not so (as) … as …, … than … 引导方式状语从句的:as if … 引导主语,宾语或表语从句的连词主要有:that, whether, if三个。其中that 和whether间或还可以引起同位从句和状语从句。 (三)某些用法比较特殊的从属连词用法区别 1、当while, when, as引导时间状语从句时的区别: 2、before作连词一般表示时间,意为“在…之前”,但有些句子中这样译就显得别扭。试看以下句子的翻译:He almost knocked me down before he saw me.他几乎把我撞倒才看见我;Before I could get in a word he had measured me.我还没来得及插话,他已经给我量好了尺寸。 3、till, until作为介词式从属连词引导时间状语短语或状语从句,用于否定句时,结构为not …until (till),主句谓语动词延续与非延续皆可,意为“直到…才…”。用于肯定句时,只与延续性动词连用,表示“到…为止”。例如:They played volleyball until (till) it got dark./ They didn’t talk(延续性动词)until (till) the interpreter(译员)came./ He didn’t go to bed(非延续性动词)until (till) the his father came back.;until可以放在句首,till则不行,例如:Until the last minute of the match we kept on playing./ Not until he finished his work did he go home.(倒装);till, until只用于时间,以下句子是错误的:We walked till the edge of the forest.(要用as far as或to)。 4、because, since, as引导原因状语时注意使用上的区别: 5、although和though引导让步状语从句往往用法一样,但注意以下区别: 6、once作副词译“曾经”,作为连词译“一旦”,引导条件状语从句。相当于if的加强形式。例如:I don’t believe he was once a thief. (once这里是副词)/ Once Aristotle had made up his mind that heavy objects always fell faster than light objects, he taught it as a truth to his students. (once连词) 7、unless引导条件状语从句等于if … not …。例如:He’ll accept the job unless the salary is too low. ( = He’ll accept the job if the salary is not too low.) 8、在用as if引导的方式状语从句及表语从句中,根据情况要使用虚拟语气。例如:He talks as if he knew all about it. 但有时也可用直陈语气。例如:It looks as if it is going to rain. 9、whether, if引导从句的用法区别: 10、as作从属连词可引导多种状语从句。 |
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文章录入:soosun 责任编辑:51education |
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