英语虚拟语气思维导图

《英语虚拟语气思维导图》

中心主题:英语虚拟语气

  • I. 定义与本质

      1. 含义
        • 表达说话人的主观愿望、建议、假设、情感或与事实相反的推测。
        • 并非陈述客观存在的事实,而是表达一种心理状态。
      1. 本质特征
        • 谓语动词的形式发生变化,区别于陈述语气。
        • 时态用法特殊,不遵循一般时态规则。
        • 主要用于复合句,但也存在于简单句中。
  • II. 主要类型与用法

      1. 条件句中的虚拟语气 (Conditional Sentences)
        • A. 与现在事实相反的假设
        • (1) 结构: If + 过去式 (be动词用were), 主句 + would/could/might + 动词原形
        • (2) 例句: If I were you, I would study harder.
        • B. 与过去事实相反的假设
        • (1) 结构: If + had + 过去分词, 主句 + would/could/might + have + 过去分词
        • (2) 例句: If I had studied harder, I would have passed the exam.
        • C. 与将来事实相反的假设(可能性极小)
        • (1) 结构1: If + were to + 动词原形, 主句 + would/could/might + 动词原形
        • (2) 结构2: If + should + 动词原形, 主句 + would/could/might + 动词原形
        • (3) 例句: If it were to rain tomorrow, we would stay at home.
        • (4) 例句: If he should change his mind, please let me know.
      1. wish 后的虚拟语气
        • A. 对现在情况的虚拟
        • (1) 结构: wish + 过去式 (be动词用were)
        • (2) 例句: I wish I were taller.
        • B. 对过去情况的虚拟
        • (1) 结构: wish + had + 过去分词
        • (2) 例句: I wish I had studied harder in the past.
        • C. 对将来情况的虚拟
        • (1) 结构: wish + would/could + 动词原形
        • (2) 例句: I wish it would stop raining. (表示厌烦)
      1. suggest, order, advise, require, insist 等动词后的 that 从句 (命令、建议、要求等)
        • A. 结构: 主语 + 动词 (suggest, order, advise, require, insist等) + that + 主语 + (should) + 动词原形
        • B. should 可以省略,但动词必须用原形。
        • C. 例句: The doctor suggested that he (should) stop smoking.
        • D. 注意:Insist 之后是否用虚拟语气取决于含义:
        • (1) 如果表示“坚持要求”,则用虚拟语气。
        • (2) 如果表示“坚持认为”,则用陈述语气。 例:He insisted that he had seen the accident.
      1. It is (was) + 形容词/过去分词 + that 从句中的虚拟语气
        • A. 常见的形容词:necessary, important, essential, desirable, imperative, urgent, vital, strange, natural等
        • B. 结构: It is/was + 形容词/过去分词 + that + 主语 + (should) + 动词原形
        • C. 例句: It is necessary that he (should) be present at the meeting.
      1. as if / as though 引导的状语从句
        • A. 表示与事实相反的假设
        • (1) 对现在情况的虚拟: 使用过去式 (be动词用were)
        • (2) 对过去情况的虚拟: 使用 had + 过去分词
        • B. 例句: He talks as if he knew everything.
        • C. 例句: She looked as though she hadn't slept for days.
      1. would rather, had better, would as soon 后的虚拟语气
        • A. 结构: would rather/had better/would as soon + that + 主语 + 过去式
        • B. 例句:I would rather that you didn't tell anyone.
      1. 含蓄虚拟语气 (without, but for)
        • A. without 和 but for 可以引导含蓄条件句,表示“如果没有/要不是”。
        • B. 结构: 主句 + would/could/might + (have) + 动词原形/过去分词
        • C. 例句: Without your help, I wouldn't have finished the project.
        • D. 例句: But for the rain, we would be having a picnic now.
      1. 其他情况
        • A. God save the Queen! (祈使句中的虚拟语气)
        • B. If only... (要是...就好了!) If only I had studied harder!
  • III. 虚拟语气的难点辨析

      1. Insist 和 Suggest 的区别
        • A. Insist: 表示“坚持要求”用虚拟语气;表示“坚持认为”用陈述语气。
        • B. Suggest: 表示“建议”用虚拟语气;表示“暗示”用陈述语气。
        • C. 例:He insisted that he had seen the ghost. (陈述语气,强调他确实看到了)
        • D. 例:The evidence suggests that he is guilty. (陈述语气,暗示)
      1. 虚拟语气的时态对应
        • A. 区分与现在、过去和将来情况相反的虚拟语气,选择合适的时态。
        • B. 注意主句和从句时态的一致性。
      1. 混合虚拟语气
        • A. 主句和从句的虚拟语气针对不同的时间,需要混合使用时态。
        • B. 例句: If you had followed my advice (过去), you would be rich now (现在).
  • IV. 解题技巧

      1. 识别关键词:If, wish, suggest, order, as if, without, but for 等。
      1. 判断语境:区分与事实相反的假设和真实陈述。
      1. 确定时态:根据时间参照点选择合适的虚拟语气时态。
      1. 排除干扰项:注意固定搭配和特殊用法。
  • V. 练习与巩固

      1. 大量练习虚拟语气相关题目,提高识别和运用能力。
      1. 分析错题,总结经验教训。
      1. 阅读英文文章,注意虚拟语气的实际运用。
  • VI. 总结

    • 英语虚拟语气是英语语法的重点和难点,需要深入理解和熟练运用。
    • 掌握不同类型的虚拟语气及其用法,能够准确表达各种主观情感和假设。
    • 通过大量的练习和实践,提升解题技巧和语感,更好地掌握英语虚拟语气。
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