定冠词和不定冠词用法的思维导图

这是一篇关于定冠词和不定冠词用法的思维导图。希望对小伙伴提供帮助，有需要的可自取。

# Summary of Articles

• 不定冠词 a/an的用法
  • a用于单数可数名词前
    • girl
    • dog
    • person
    • people
    • egg
    • children
    • banana
  • an用于元音发音的单词
    • elephant
    • apple
    • aunt
    • hour
    • honest man
    • ugly man
  • 应用
    • 当第一次谈到某人或某事时
      • There is a man at the door.
      • He is an honest man.
    • 当谈论到工作或职业，一般使用不定冠词
      • My father is an engineer now, but he was a soldier before.
    • 固定搭配(a/an=one)
      • a hundred pounds
      • half a kilo
      • an hour
      • a litre of wine
      • a thousand times
      • a lot of/a few/ a little
• 定冠词 the的用法
  • 1. 用法：第二次提到时要用定冠词
    • e.g.：The old fisherman had a cat. The cat was white.
  • 2. 用法：表示对话双方都知道的人或事或物
    • e.g.：Has she returned the book?
  • 3. 用法：表示特指的某人某物或某事，通常有介词短语作修饰
    • e.g.：Please give me the key on the desk.
  • 4. 固定搭配
    • a. 表示方向、方位的名词前
      • e.g.：The right way is to turn left at the next intersection.
    • b. 世上独一无二的名词前
      • e.g.：The sky is blue.
    • c. 在江河、海洋、湖泊、群岛、山脉的名称前
      • e.g.：The Red Sea is located between Africa and Asia.
    • d. 专有名词前，专有名词指国家机关、团体、阶级等
      • e.g.：The United Nations is an international organization.
    • e. 乐器名词前，表示演奏
      • e.g.：She plays the piano very well.
    • f. 在某些形容词前，表示一类人或物或某种抽象概念
      • e.g.：The old man is a retired teacher.
    • g. 在姓氏的复数形式前，表示全家人或这一姓的夫妇二人
      • e.g.：The Greens will move to the country.
    • h. 在逢十的复数数词前，表示年代，也指人的大约岁数
      • e.g.：He went abroad in the 1980s. / The old man is in the seventies.
    • i. 与复数名词连用，指整个群体
      • e.g.：They are the teachers of this school.
    • j. 用在前面已提到过的人的身体部位或衣着的名词前
      • e.g.：He touched her on the shoulder.