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1、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（并列句是由 and, but, or, for 等并列连词把两个或两个以 上意义相关的简
2、单句连在一起而构成的句子。其结构为：简单句+并列连词+简 单句） 1. 表示转折关系的并列连词。这类连词主要有 but, yet 等。如：Someone 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 would not 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。(for 表示结果通常不 能放句首，也不能单独使用。)如： The child had a bad cough
3、, 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 should get rid of carelessness, 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。 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)不仅而且 , bothand , as well as 等。如：He did not go and she did
4、 not go, either. 他没去，她也没去。 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.三、从属连词的用法（可用来连接词与词、短语与短语、主句与从句。从属连 词连接从句时主要连接宾语从句和状语从句。 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 while youre eating. 吃饭
5、时不要说话。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。(3) 表示“自从”或“直到”的时间连词。主要的有 since, until, till。如： Hold on until I fetch help. 坚持一下，等我找人来帮忙。(4) 表示“一就”的时间连词。主要的有 as soon as, the moment, the minute, once, no so
6、onerthan, 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。2. 引导条件状语从句的从属连词。这类连词主要有 if, as so long as,等。如： Do you mind if I open the window? 我开窗你不介意吧?As long as youre happy，it doesnt matter what you do. 只要你高兴，你做什么都没关系。
7、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 so that 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。 4. 引导原
8、因状语从句的从属连词。主要的有 because, as, since,等。如：Since weve no money, we cant buy it. 由于我们没钱，我们无法购买它。5. 引导让步状语从句的从属连词。主要的有 although, though, even though, even if, while, however, whatever, whoever, whenever, wherever 等。如： Although they are twins, they look entirely different. 他们虽是孪生, 但是相貌却完 全不同。You wont move
9、that stone, however strong you are. 不管你力气多大, 也休想搬动那块石头。 6. 引起名词从句的从属连词。主要有 that, whether, if 等，它们用于引导主语从 句、表语从句、宾语从句和同位语从句。其中 that 不仅没不充当句子成分，而 且没有词义，在句子中只起连接作用；而 if, whether 虽不充当句子成分，但有 词义，即表示“是否” 。如：I wonder if its large enough. 我不知道它是否够大。1. Oh, I failed again. Dont lose heart. Once again , _ you
10、will succeed. A. so that B. therefore C. however D. and 2. May I go and play football with Dick this afternoon, Dad? No, you cant go out _ you finish your work . A. before B. until C. as D. after 3. How can I wake up so early? Set the alarm at 5 oclock, _ youll make it.A. but B. or C. and D. so 4. I
11、 was going to bed _ Mr. Zhang rang. A. as B. when C. while D. and 5. _ I had walked for six hours, I was tired out. A. After B. Before C. When D. As 6. The roof fell _ he had time to run into the house to save his baby. A. as B. after C. until D. before 7. You may borrow this book _ you promise to give it back. A. in B. so long as C. as if D. even if 8. I criticized him, you know, not _ I hate him but _ I love him. A. because; because B. because; for C. for; because D. for; for 9. _ he studies hard, he will never pass the examination. A. If B. Unless C. Even if D. Even though
