高中英语连词用法归纳(共4页).doc
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1、精选优质文档-倾情为你奉上高中英语连词用法归纳一、概说连词是一种虚词,用于连接单词、短语、从句或句子,在句子中不单独用作句子成分。连词按其性质可分为并列连词和从属连词。并列连词用于连接并列的单词、短语、从句或句子,如and, but, or, for等;从属连词主要引出名词性从句(主语从句、宾语从句、表语从句等)和状语从句(时间状语从句、条件状语从句、目的状语从句等),引出名词性从句的连词如that, whether等,引出状语从句的连词如when, because, since, if 等。二、并列连词的用法 1. 表示转折关系的并列连词。这类连词主要有 but, yet 等。如:Someo
2、ne borrowed my pen, but I dont remember who. 有人借了我的钢笔,但我不记得是谁了。He said he was our friend, yet he wouldnt help us. 他说他是我们的朋友,但却不肯帮助我们。 2. 表示因果关系的并列连词。这类连词主要有 for, so 等。如:The child had a bad cough, so his mother took him to the doctor. 这孩子咳得很利害,所以他妈妈带他去看医生。You are supposed to get rid of carelessness,
3、for it often leads to serious errors. 你们一定要克服粗枝大叶,因为粗枝大叶常常引起严重的错误。注意:for表示结果通常不能放句首,也不能单独使用。 3. 表示并列关系的并列连词。这类连词主要有 and , or , eitheror , neithernor , not onlybut (also) , bothand , as well as 等。如:He didnt go and she didnt go either. 他没去,她也没去。The weather is mild today; it is neither hot nor cold. 今天
4、天气很温暖,不冷也不热。Both New York and London have traffic problems. 纽约和伦敦都存在交通问题。It is important for you as well as for me. 这对你和对我都很重要。People who are either under age or over age may not join the army. 年龄不到或者超龄的人都不得参军。三、从属连词的用法 1. 引导时间状语从句的从属连词(1) 表示“当时候”或“每当”的时间连词。主要的 when, while, as, whenever。如:Dont talk
5、while youre eating. 吃饭时不要说话。Vegetables are best when they are fresh. 蔬菜新鲜时最好吃。He came just as I was leaving. 我正要走时他来了。(2) 表示“在之前(或之后)”的时间连词。主要的有before, after。如:Try to finish your work before you leave. 离开前设法把工作做完。After we have finished tea, we will sit on the grass. 喝完茶之后我们将坐在草地上。(3) 表示“自从”或“直到”的时间连
6、词。主要的有since, until, till。如:Shes been playing tennis since she was eight. 她从八岁起就打网球了。Hold on until I fetch help. 坚持一下,等我找人来帮忙。Never trouble trouble till trouble troubles you. (谚)不要无事惹事。(4) 表示“一就”的时间连词。主要的有as soon as, the moment, the minute, the second, the instant, immediately, directly, instantly, o
7、nce, no soonerthan, hardlywhen等。如:Ill let you know as soon as I hear from her. 我一接她的信就通知你。The moment I have finished Ill give you a call. 我一干完就给你打电话。I came immediately I heard the news. 我一听到这个消息,马上就来了。Once you begin you must continue. 你一旦开始, 便不可停下来。(5) 表示“上次”、“下次”、“每次”等的时间连词。主要的有every time(每次),each
8、time(每次),(the) next time(下次),any time(随时),(the) last time(上次),the first time(第一次)。如:Ill tell him about it (the) next time I see him. 我下一次见到他时,我就把这个情况告诉他。We lose a few skin cells every time we wash our hands. 每当我们洗手的时候,我们都要损失一些皮肤细胞。You can call me any time you want to. 你随时都可以给我打电话。注意:every time, each
9、 time, any time前不用冠词,(the) next time, (the) last time中的冠词可以省略,而the first time中的冠词通常不能省略。2. 引导条件状语从句的从属连词。这类连词主要有if, unless, as so long as, in case 等。如:Do you mind if I open the window?我开窗你不介意吧?Dont come unless I telephone. 除非我打电话,否则你别来。As long as youre happy,it doesnt matter what you do. 只要你高兴,你做什么都
10、没关系。In case it rains they will stay at home. 万一下雨,他们就呆在家里。注意:在条件状语从句中,通常要用一般现在时表示将来意义,而不能直接使用将来时态。不过,有时表示条件的 if之后可能用 will,但那不是将来时态, 而是表示意愿或委婉的请求(will为情态动词)。如:If you will sit down for a few moments, Ill tell the manager youre here. 请稍坐, 我这就通知经理说您来了。 3. 引导目的状语从句的从属连词。主要的有 in order that, so that, in ca
11、se, for fear等。如:He raised his voice so that everyone could hear. 他提高了嗓音,以便每个人都能听见。Take your umbrella (just) in case it rains. 带上雨伞,以防下雨。She repeated the instructions slowly in order that he should understand. 她把那些指示慢慢重复了一遍好让他听明白。 4. 引导结果状语从句的从属连词。主要的有so that, sothat, suchthat等。如:I went to the lectur
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