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1、高中英语连词（并列句和状语从句）用法归纳一、概述：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(一)、表示转折关系的并列连词。主要有 but(但是), yet(可是), while(
2、而，却)等。but的用法1. 连接词或短语 It was a sunny but not very warm day. 那一天天气晴朗，却不太暖和。2. 连接句子Mrs. Brown was about to begin, but Jennie spoke first. 布朗夫人正要开始讲话，珍妮先讲了。3. 用于句首But what else can we do? 我们还能做什么?4. 用于道歉的表达之后Sorry, but were behind schedule. 抱歉，我们落在计划后了。5. 用于notbut，表示“不是而是”Not you but I am to blame. 不是你
3、的错而是我的错。（就近原则）6. 用在某些否定语后，表示“只，除了”：I could do nothing but wait. / I had no choice but to wait.7. 用于next (last) but one 中，表示“隔壁再过去”“倒数第”He lives in the next house but one.他住在隔壁再过去一家。He was the last but one to arrive. 他是倒数第二个到的。8. cant help but 不由得不You cant help but respect them. 你不由得不尊敬他们。【注意】不要按汉语意思
4、将“虽然但是”直译为althoughbut：误：Though we are poor, but we are happy. (去掉though或but中任一个)9.but 与 however的用法区别 两者均可表示转折或对比，意为“但是”、“可是”、“然而”等，但有区别：1. 表示转折时，but 是连词。如：He likes sports, but his wife likes music. 他喜欢运动，而他妻子则喜欢音乐。2. however 表示“然而”、“可是”时，有的词书认为它是连词，有的词书认为它是副词。之所以将其视为副词，也许是因为像许多副词一样不仅能位于句首，而且能位于句中(注意
5、前后使用逗号)，甚至句末 (注意其前也用逗号)。如： Later, however, he changed his mind. 可是他后来改变了主意。He hasnt arrived. He may, however, come later. / He said that it was so; he was mistaken, however. 注意：以上各例中的 however 不能换成 but，但可用 but 来改写。如：He said that it was so, but he was mistaken.3. 当连接两个句子时，其前通常应用分号，或另起新句。如：Its raining
6、hard; however, I think we should go out. / Its raining hard. However, I think we should go out. 注意：上例中的 however 不能换成 but，但可用 but 来改写 (注意所用标点的变化)。如：Its raining hard, but I think we should go out.yet的用法1、yet用作连词时，与but一样也主要用于转折，“但是”“而”： I have failed, yet I shall try again. 2、有时用在句首。如：Yet the house was
7、 cheerful. 但屋子里显得很欢快。3、yet有时可与并列连词and或but连用，构成习语and yet和but yet，意为“虽然如此”“可是”“然而”，与单独使用的yet意思相同。如：Hes not really nice-looking, and yet he has enormous charm. 他并不十分好看，可是他很有魅力。Shes a funny girl, but yet you cant help liking her. 她是一个奇怪的姑娘，但你禁不住会喜欢她。4、根据习惯，although不能与连词but搭配使用，但是although可以与yet搭配连用（此时的ye
8、t可视为副词）Although we are poor, yet we are happy. / Although weve made some progress, yet we have a long way to go.while的用法1、考查表示时间的用法，其意为“当的时候”。如：(1). while可用来引导时间状语，意为“当的时候”；引导的动作必须是持续性的，如： Please dont talk so loud while others are working. / She hates anyone listening while she is telephoning. (2) 趁
9、的情况赶紧做, 否则来不及了 We must strike while the iron is hot. 我们要趁热打铁。 2、考查表示让步的用法，其意为“尽管”“虽然”。如： While the work was difficult, it was interesting. 3、考查表示对比的用法，其意为“而”“但”。如：Prices are rising sharply, while incomes are lagging far behind. 注意：这样用时，while引出的句子通常位于末，但有时也可位于句首。如：While most children learn to read ea
10、sily, some need extra help. 大多数儿童学阅读很容易，有些儿童却需要特别帮助。4、考查其省略用法，即主句与从句主语相同，且从句谓语动词含有动词be时，通常可省略从句主语和动词be。如：While (he was) in prison, she wrote her first novel. He fell asleep while (he was) doing his homework. (二)、表选择的并列连词主要 or (或者，还是，否则), eitheror(不是就是), neitheror(既不也不), otherwise (要不然)等。注：neithernor
11、连接两个句子，注意用倒装语序。or的用法归纳1、表示选择，意为“或”“还是”：Is the radio off or on? Would you prefer tea or coffee? 2、表示一种否定的条件，意为“否则”：Come on, or well be late. Hurry up, or youll be late for school. 3、可表示“要不就是”：He must be joking, or else hes mad. The book must be here, or else youve lost it. 4、用于否定句中代替and。 He was not c
12、lever or good-looking. 他不聪明，也长得不好看。比较：They sang and danced. 他们既唱歌又跳舞。 They didnt sing or dance. 他们既没有唱歌也没有跳舞。5、用于习语The work is more or less finished. 工作大体上完成了。They consist of 1700 or more tribes. 他们由1700个或更多部族构成。Theres just one or two details I want to make sure about. 还有一两个细节我想弄清楚。Either your mothe
13、r or your father may come with you. 你母亲或是你父亲会陪你去。(三). 表示因果关系的并列连词主要有 for(因为), so(因此)等。注意：for表示结果通常不能放句首，也不能单独使用。for的用法归纳1、for用作连词，主要表示理由，用于引起的分句对前面的话进行解释，常用逗号把它和前面的分句分开。如：She was angry, for she didnt know French. He must be out, for there is no light in the room. 2、for表示结果通常不能放句首，也不能单独使用。3.for表示原因时的
14、四个“不能”1）for引导的从句不能位于它所解释的动词之前：Because it was wet he took a taxi.（这里不能用for）2）for引导的从句不能位于not, but或任何连词之后：He stole, not because he wanted the money but because he liked stealing. （这里不能用for）3）for引导的从句不能用于回答问题：Why did you do it? I did it because l was angry.（这里不能用for） 4）for引导的从句不能单单用来复述已讲过的话，而必须包括新的内容：H
15、e spoke in French. She was angry because he had spoken in French.（这里不能用for）但是说：She was angry, for she didnt know French. （这里用for是正确的，也可用because）注意：之所以有这些用法上的限定，其理由是for引导的从句不能直接说明某一特定动作发生的原因，而只能提供一些起帮助解释作用的附加说明。例如：The days were short, for it was now December. 注意：在口语中，for从句前常稍停一下。在笔语中，在此处常有一个逗号。有时也用一个句号断开，如最后一个例子所示。上面三个例句中也可用because, 但用for更好些。so的用法归纳1、so用作连词，主要用于表结果，意为“所以”：Its very cold, so wear a heavy coat. 2、有时可与并列连词and连用，构成习语and so(相当so)：He told me to do it and so I did it. 3、不要按汉语意思将“因为所以”直译为becauseso：误：Because he was ill, so he coul
