连词是一种虚词VIP

连词是一种虚词 它不能独立担任句子成分而只起连接词与 词 短语与短语以及句与句的作用 连词主要可分为两类 并列连 词和从属连词 并列连词用来连接平行的词 词组和分句 如 and but or nor so therefore yet however for as well as both and not only but also either or neither nor and then 等等 并列连词引导两个并列的句子 1 and 与 or 判断改错 错 They sat down and talk about something 错 They started to dance and sang 错 I saw two men sitting behind and whisper there 对 They sat down and talked about something 对 They started to dance and sing 对 I saw two men sitting behind and whispering there 解析 第一句 and 连接两个并列的谓语 所以 talk 应改为 talked 第二句 and 连接两个并列的动词不定式 第二个不定式往往 省略 to 因此 sang 应改为 sing 第三句 and 连接感观动词 saw 后面的用作的宾补的两个并列 分词结构 因此 whisper 应改为 whispering 注意 and 还可以和祈使句或名词词组连用表示条件 or 也 有此用法 Make up your mind and you ll get the chance If you make up your mind you ll get the chance One more effort and you ll succeed If you make one more effort you ll succeed 2 both and 两者都 She plays both the piano and the guitar 3 not only but also as well as 不但 而且 She plays not only the piano but also the guitar 注意 not only but also 关联两个分句时 一个分句因有 否定词 not 而必须倒装 Not only does he like reading stories but also he can even write some 4 neithe nor 意思为 既不 也不 谓语动词采用就 近原则 与 nor 后的词保持一致 Neither you nor he is to blame or 与 and 比较 1 并列结构中 or 通常用于否定句 and 用于肯定句 2 但有时 and 也可用于否定句 请注意其不同特点 There is no air or water in the moon There is no air and no water on the moon 在否定中并列结构用 or 连接 但含有两个否定词的句子实际 被看作是肯定结构 因此要用 and 典型例题 I don t like chicken fish I don t like chicken I like fish very much A and and B and but C or but D or and 答案 C 否定句中表并列用 or but 表转折 判断改错 错 We will die without air and water 错 We can t live without air or water 对 We will die without air or water 对 We can t live without air and water so 与 such 比较 其规律由 so 与 such 的不同词性决定 such 是形容词 修饰名 词或名词词组 so 是副词 只能修饰形容词或副词 so 还可与表 示数量的形容词 many few much little 连用 形成固定搭配 so adj such a n n so adj a n n such n pl so adj n pl such n pl so adj n 不可数 such n 不可数 so foolish such a fool so nice a flower such a nice flower so many few flowers such nice flowers so much little money such rapid progress so many people such a lot of people so many 已成固定搭配 a lot of 虽相当于 many 但 a lot of 为名词性的 只能用 such 搭配 so that 与 such that 之间的转换既为 so 与 such 之间的转 换 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 Someone borrowed my pen but I don t 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 wouldn t 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 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 either or neither nor not only but also both and as well as 等 如 He didn t go and she didn t go either 他没去 她也没去 The weather is mild today it is neither hot nor cold 今天天气很温 暖 不冷也不热 Both New York and London have traf