Processing keyword: ~했더니 [haetdeoni] (After doing)

Korean Grammar Point: ~했더니 [haetdeoni] (After doing)

Grammar Point: ~했더니 [haetdeoni] (After doing)

1. Introduction

The grammar structure ~했더니 is used in Korean to express the idea that after performing an action, a certain result or outcome occurs. This structure helps in narrating events and linking actions to their consequences.

2. Core Grammar Explanation

Detailed Explanation

• The structure consists of the verb stem plus the suffix -했더니 (haetdeoni).
• It indicates that the speaker did something, and as a result of that action, they experienced something else.

Structure

• Formation Diagram:

  Verb Stem + 했더니
  

• Examples of Verb Stems:

  • 하다 (hada) → 했더니 (haetdeoni)
  • 가다 (gada) → 갔더니 (gatdeoni)
  • 먹다 (meokda) → 먹었더니 (meogeotdeoni)

Meaning

• The phrase can often be translated as "after doing (something), (something else) happened" in English.
• It emphasizes a causative relationship between the action and the outcome.

Visual Aids

3. Comparative Analysis

Comparison with Similar Grammar Points

• ~아/어 보니: This structure also indicates a result but emphasizes personal experience after trying something. (e.g., "After trying, I realized...")

  Example:

  • 사라져 보니 (sara-ji bo-ni) — "After trying to disappear, I found..."

• ~고 나서: This structure shows a sequence of actions but does not emphasize the result or consequence as strongly as ~했더니.

  Example:

  • 숙제를 하고 나서 게임을 했다 (suk-ja-reul ha-go na-seo ge-im-eul hae-dta) — "After doing homework, I played a game."

4. Examples in Context

Sentence Examples

• Formal:
  • Korean: 저는 과제를 했더니 선생님이 칭찬하셨어요.
    English: After I did my assignment, the teacher praised me.
• Informal:
  • Korean: 친구한테 이야기를 했더니 웃더라.
    English: After I talked to my friend, he laughed.
• Written:
  • Korean: 시험을 준비했더니 좋은 결과를 얻었다.
    English: After I prepared for the exam, I achieved good results.
• Spoken:
  • Korean: 요리했더니 맛있게 됐어!
    English: After I cooked, it turned out delicious!

5. Cultural Notes

Cultural Relevance

• In Korean culture, the outcome of actions often bears significance. The use of ~했더니 reflects society’s focus on responding to actions with appropriate feedback and consequences, which is an important aspect of Korean social interactions.

Levels of Politeness

• The ending -했더니 can be made more formal or informal depending on the context by adjusting the verb form and ending used in the sentence (e.g., -했더니 -> -했더니요 for formal speech).

Idiomatic Expressions

• There aren't specific idiomatic expressions with ~했더니, but the structure itself is commonly used for narrating everyday experiences and observations.

6. Common Mistakes and Tips

Error Analysis

• Common Error: Using ~했더니 without an appropriate verb conjugation for the context.
  • Incorrect: 저는 가기로 했더니.
  • Correct: 저는 갔더니.

Learning Strategies

• Mnemonic Device: When thinking of ~했더니, visualize a cause-and-effect scenario. "I did this, and then that happened." This can help reinforce its usage.

7. Summary and Review

Key Takeaways

• ~했더니 is used to indicate the result of an action.
• The structure clearly links a previous action to its outcome.
• Context is crucial for determining politeness and formality.

Quick Recap Quiz

1. What does ~했더니 express in a sentence?
2. Provide a formal example using ~했더니.
3. What is the difference between ~했더니 and ~고 나서?