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condition句型 conj用于什么句子_ condition的用法与语法

在英语中,conj(连词)主要用于连接词语、短语或句子,构建逻辑关系。其核心应用场景如下:


一、连接并列成分

  • 单词/短语

    • 并列关系:
      • Tom likes applesand oranges(汤姆喜欢苹果和橙子)
      • You can choose coffeeor tea(你可以选咖啡或茶)
    • 转折关系:
      • She is smart,but lazy(她聪明但懒惰)
  • 独立句子

    • 因果:He stu*d hard,so he passed the exam(他努力进修,因此通过了考试)
    • 补充:The car is new;besides, it runs well(这辆车很新,而且性能好)

二、构建复合句

  • 引导状语从句

    • 时刻:
      • Call meafter you finish work(完成后联系我)
      • I will stayuntil the rain stops(我会等到雨停)
    • 条件:
      • If you need help, let me know(如需帮助请告知)
      • We’ll cancel the tripunless the weather improves(除非天气好转,否则取消行程)
    • 缘故:
      • She criedbecause she lost her keys(她因丢钥匙而哭)
  • 引导名词性从句

    • He saidthat he would come(他说他会来)
    • I wonderwhether it’s true(我想知道是否属实)

三、独特用法

  • 固定搭配

    • 关联连词:
      • Not only did she sing,but also danced(她不仅唱歌还跳舞)
      • Both the wheatand barley are ready(小麦和大麦都已成熟)
    • 短语连词:
      • We actin conjunction with the police(我们与警方联合行动)
  • 强调逻辑层次

    • First, prepare materials;then, start writing(先准备材料,再开始写作)
    • She was tired;however, she kept working(她虽累但仍坚持)

四、注意事项

  • 避免冗余:

    • 错误:Although he is fat,but he is weak(正确应删去“but”)
    • 正确:Although he is fat, he is weak(虽然胖,他仍虚弱)
  • 搭配准确性:

    • 错误:No sooner had we arrived, they left(缺少“than”)
    • 正确:No sooner had we arrivedthan they left(我们一到他们就离开)
  • 语义匹配:

    • 错误:This book is both a textas well as a reference(应改为“and”)
    • 正确:This book is both a textand a reference(此书既是教材也是参考书)

怎么样?经过上面的分析分类,可以灵活运用连词构建复杂句子,增强表达的连贯性与逻辑性。具体应用时需注意语境与搭配制度,避免常见错误。


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